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PrintablesKB9RLW

A desk stand for the ATS-mini Si4732 pocket receiver.

This is a nice little desk stand for the receiver. It includes a baffle to reflect the sound from the rear speak forward and a resonating chamber that slightly amplifies it. The TPU foot is optional and should be printed in TPU 95a. It…

Downloads
665
Likes
47
Rating
4.83
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PrintablesKB9RLW

A jam proof pulley for antenna masts or other projects. Includes clamps for Max Gain Systems masts and 1" O.D. US conduit.

A jam proof pulley for antenna or other projects. The hing mount and the pulley mount have a matching diamond interlock that allows the pulley to be mounted in one of two orientations, depending on your needs. There are also mast top…

Downloads
399
Likes
289
Rating
5
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PrintablesKB9RLW

SO-239 cap

Cap off unused antenna connectors to protect them from dust, water and contamination while in the field. Fit's just a bit loose, push it on and twist to feel the threads grab. Category: Electronics

Downloads
278
Likes
36
Rating
5
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PrintablesKB9RLW

Case for the NanoVNA test fixture PCB.

This is a case for the little test board. There are two versions of the top. I configured my board with the top left connector shorted, the top right connector has a 50 ohm resistor, and the bottom two connectors are bridged. I use these…

Downloads
225
Likes
12
Rating
5
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PrintablesKB9RLW

Dipole center with BNC and 1:1 balun

A simple dipole center structure with a hole for a BNC panel mount connector and space for a T80 torroid 1:1 balun. For field use. Category: Electronics

Downloads
186
Likes
49
Rating
0
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PrintablesKB9RLW

Smooth twisted vase and matching candy bowl.

These were designed with subtle curves intended to create many specular reflections. A high density mesh, so a large file. I couldn't get a clean export in step, so I had to go with a mesh.

Downloads
171
Likes
22
Rating
5
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PrintablesKB9RLW

Cage antenna spacer for ham radio cage dipole or end fed.

This is a simple spacer for 6 wire cage antennas. The 3mm holes should be fine for 18 ga insulated wire. After threading the wires through and drawing them taught, position the spacers and put a drop of super glue where each wire passes…

Downloads
147
Likes
9
Rating
5
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PrintablesKB9RLW

IC-705 very portable table stand.

This is an ultra portable desk stand for the IC-705. It breaks down small enough to fit in a small envelope and take very little space in your go bag or back pack. Print two of the cross member parts, and two of any of the angled sides…

Downloads
140
Likes
20
Rating
3.67
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PrintablesKB9RLW

Anderson Power Poles shell

There are four sizes. Small, for TrueSDX power cable, Small twin, for Yaesu FT-817 or similar size cord, 12 gauge and 14 gauge twin power cords. They are in half shells, so print two of the size you need. They take M4x12mm screws.…

Downloads
138
Likes
35
Rating
5
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PrintablesKB9RLW

16:1 dual planetary reduction drive for Magloop Antenna

This is a fairly high precision model. Your printer should be accurate to 1/10th of a mm or less for best results. You may want to print at 40% infill and 3 perimeters for strength. You will need to print 6 of the planet gear, 2 of the…

Downloads
111
Likes
14
Rating
5
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PrintablesKB9RLW

TecSun PL-330 accessories, Desk stand and Knob with crank pin

Not much to say, the desk stand keeps the radio at a nice angle and the knob lets you tune faster by cranking. The desk stand should be printed on end for strength. The cuts are at a steep enough angle to print without supports. You may…

Downloads
93
Likes
9
Rating
0
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PrintablesKB9RLW

BNC panel mount virtual punch holes

Timesaver holes already sized for BNC panel mount connectors, both round and with the flat side. Save them to your virtual toolbox and you can just load them and use as holes. Saves the time of remembering or figuring out the dimensions…

Downloads
90
Likes
7
Rating
0
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PrintablesKB9RLW

29:1 harmonic drive gearbox for magnetic loop antennas

This is a 29:1 ratio harmonic drive gearbox for the tuning capacitor on a magnetic loop antenna. It is almost fully 3D printed with the exception of some screws and four mini bearings. There is a PDF parts list that provides source…

Downloads
89
Likes
17
Rating
5
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PrintablesKB9RLW

Hand mic for uBitx radio kit

I decided to model my own hand mic for the uBitx kit. They only provide an electret microphone element with the kit. The micro switch I used had a center button so I left a hole in the pocket for that. The switch pocket wall is only 1 mm…

Downloads
85
Likes
11
Rating
0
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PrintablesKB9RLW

Side Swiper (cootie) Morse key. Minimal hardware req.

This is a simple, minimal hardware, side swiper Morse code key. Otherwise known as a "cootie" key. NOTE: You will want to print the arm on a raft to prevent the leaf spring parts from warping off the bed. This design only needs five…

Downloads
80
Likes
7
Rating
0
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PrintablesKB9RLW

Skull Knob for Quansheng UV-K5 series handheld radios

Print at a layer height of 0.05mm for best detail. Your printer needs to be well calibrated.

Downloads
80
Likes
6
Rating
0
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PrintablesKB9RLW

Magnetic loop antenna 3.8 to 1 gear reduction drive.

This is a 3.8 to 1 reduction drive for making magnetic loops easier to tune. It's best to print the clutch and input gear at 40% infill and 3 perimeters for strength. The output is set for capacitor shafts of 6.4 mm diameter. If you have…

Downloads
76
Likes
11
Rating
0
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PrintablesKB9RLW

Template holes for SO-239 panel mount connector holes.

This is a template for punching holes in other objects for mounting an SO-239 panel mount connector. Import into your modeler and align it where you want the connector to go, passing through the objects wall. Set this to be a hole and…

Downloads
72
Likes
8
Rating
0
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PrintablesKB9RLW

Version 2.1 of my pico paddles for morse code, includes wrist/leg strap mount.

This is version 2.1 of my wrist mounted paddles. Embedded magnets allow for flexible mounting options. It's a minimal hardware design, requiring just a few screws, a stereo jack, and magnets. All parts are listed with links in the…

Downloads
68
Likes
12
Rating
5
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PrintablesKB9RLW

Visually interesting modern vase design with matching candy bowl.

This is a nice decorative yet still functional vase I designed in FreeCAD. The cup bottom should be watertight, and has a slight internal lip to reduce the chance of a spill. It prints without supports. I also created a candy bowl…

Downloads
62
Likes
6
Rating
0
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PrintablesKB9RLW

Ghostbusters proton pack bumper

This is the bumper for the proton pack build. I had to split it into three parts for my printers bed. Mounted with screws and glued together, it should be strong enough.. Each part will fit on a common 200x200 bed. Update: Properly voided…

Downloads
62
Likes
6
Rating
0
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PrintablesKB9RLW

Straight Key, minimal hardware requirements.

My first big design attempt in OnShape.com. Focused on style and minimal hardware requirement. Only six screws and one nut needed. There's channels through the arm and base to route the contact point wires for a cleaner look. A printed…

Downloads
60
Likes
9
Rating
5
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PrintablesKB9RLW

Wrist or leg mounted Morse code paddles. V1

Note: I've left this model online in case anyone needs spare parts. I have redesigned these. Version 2 can be found here: https://www.printables.com/model/1525157-version-2-of-my-pico-paddles-for-morse-code-includ Micro paddles for SOTA,…

Downloads
60
Likes
6
Rating
0
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PrintablesKB9RLW

Finger hole for Kenwood TS440s VFO knob

A solution for the lack of a fingertip spinner on the VFO knob on the Kenwood. Beveled hole for comfortable use. Simply glue onto the front of the knob. Category: Electronics

Downloads
59
Likes
4
Rating
5
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PrintablesKB9RLW

The Perpendicular Tower of Pisa

This is just for fun. A joke among a few of my friends. And an OCD test for the rest of you! ;-) Category: Sculptures

Downloads
54
Likes
6
Rating
5
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PrintablesKB9RLW

Ic-705 hanging shelf.

This is a hanging shelf for the IC-705. The platform has a recess that matches the underside of the radio to keep it in place. I'm able to depress all front panel controls without the radio moving around. (As long as you're not stabbing…

Downloads
53
Likes
8
Rating
0
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PrintablesKB9RLW

Twisted reality cubes sculpture.

Based on a woodworking social media post, also pictured, I modeled this in FreeCAD for fun. Added the base and angled it so it will print without supports needed. Your retraction settings need to be dialed in to avoid stringing.

Downloads
52
Likes
6
Rating
0
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PrintablesKB9RLW

Dipole center for window line antenna.

This is a center structure for building dipole antennas using window line or ladder line as the actual antenna radiator. I made it to use a BNC panel mount connector for a coax feedline. It could be modified for an SO-239 using most…

Downloads
49
Likes
9
Rating
0
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PrintablesKB9RLW

Four tier by four dominoes game tray.

Just a simple four tier domino tray I made for a friend. Holds up to 16 dominoes for game play. Made with FreeCAD. Print on it's side.

Downloads
48
Likes
5
Rating
0
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PrintablesKB9RLW

QRP antenna accessories.

These are enclosures for a 49:1 UNUN for end fed half wave antennas, a 9:1 UNUN for random length end fed wires, and a common mode choke. They are sized for T82-43 toroids. Each enclosure also includes an optional gasket that can be…

Downloads
48
Likes
8
Rating
0
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PrintablesKB9RLW

Anderson power poles extension cord.

This is a four connector extension cord for power poles. This is the head piece for the four connector end, the single connector end uses my already existing single power poles shell further down my page. I'll link it at the end of this…

Downloads
45
Likes
14
Rating
0
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PrintablesKB9RLW

The Lightcatcher vase and candy bowl.

When printed in a shiny 'silk' type filament, these models really comes alive with reflections of light. As you walk past, the changing perspective makes the curves seem to move in different directions, the fingers of light growing and…

Downloads
44
Likes
8
Rating
0
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PrintablesKB9RLW

Two valentines themed heart shaped vases.

Just a couple of experimental designs done in FreeCAD.

Downloads
41
Likes
6
Rating
0
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PrintablesKB9RLW

Enclosure for a 1:1 common mode choke

A box I made for an inline 1:1 common mode choke. It was made as part of a video for my you tube channel. Search youtube for my callsign, KB9RLW. The torroid is a T130-2 size wtih insulated 18ga wire and it fits perfectly. Category:…

Downloads
41
Likes
10
Rating
0
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PrintablesKB9RLW

Rick Roll prank puzzle with box.

This is a simple puzzle with a QR code that takes you to the classic "Never gonna give you up" video on youtube. Prank your friends or co-workers. Party game. etc. NOTE: One manual color change is required when printing the puzzle. All…

Downloads
40
Likes
14
Rating
0
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PrintablesKB9RLW

Anderson Power Poles panel mount with gasket/template and tethered TPU dust cap

This is a simple panel mount for anderson power poles. It includes a gasket/template and tethered dust cap. Print the gasket in PLA to use as a template for cutting the holes for the panel mount. Then print the gasket and dust cap in TPU…

Downloads
39
Likes
8
Rating
0
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PrintablesKB9RLW

A collection of boxer PC fan grills

A growing collection of fan grills I make for fun. Designed in FreeCAD.

Downloads
38
Likes
9
Rating
0
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PrintablesKB9RLW

Customizable garden signs, editable text, FreeCAD files

These are small signs you can stick in the ground to indicate the type and variety of plant. They are parametric FreeCAD files with a spreadsheet where you can change the text to indicate the variety. FreeCAD does not have a built in…

Downloads
37
Likes
3
Rating
0
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PrintablesKB9RLW

Skull knob for J38 style keys

For the really hard core CW ops.. Category: Electronics

Downloads
36
Likes
3
Rating
0
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PrintablesKB9RLW

Accessories for the Elikliv EM4K-AF video microscope.

There is a mount for a third hand assembly, a caddy for the remote control, and a TPU lens cap to protect the optics when not in use. The lens cap should be printed in TPU for a nice snug fit, the other parts can be printed in PLA, PETG,…

Downloads
35
Likes
4
Rating
0
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PrintablesKB9RLW

Smooth wavy pencil cup.

Designed in FreeCAD, the outside has a very organic smooth curvy shape. There are two STL files. The one with 'dense' in it's name is a very dense mesh for extremely smooth rendering when printing. The standard STL will have slight…

Downloads
31
Likes
6
Rating
5
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PrintablesKB9RLW

J38 key replacement knob

This is a replacement knob for the J38 style Morse key and probably many similar keys. Category: Electronics

Downloads
30
Likes
4
Rating
0
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PrintablesKB9RLW

Two wire terminal strip

A simple two wire terminal strip. 3mm holes accept common 6 32 hard disk screws everyone should have plenty of. Loop and solder a couple of bare wires for the contact connection. Category: Electronics

Downloads
30
Likes
8
Rating
0
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PrintablesKB9RLW

Strain relief for the Fara-J antenna by VE6SFX

This clamp goes on the bottom end of the Fara-J antenna by VE6SFX. It takes the weight of the coax off the antenna's BNC connector and PCB, transferring it to the fabric of the strap. NOTE: The clip needs to be printed on it's end for…

Downloads
29
Likes
5
Rating
0
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PrintablesKB9RLW

Clippard Valve on the Ghost busters proton pack.

This is an early design for the clippard valve on the proton pack. Should be able to print it and paint, then just screw it in place. For those of you building ghostbusters halloween costumes. There are two versions. The regular version…

Downloads
29
Likes
7
Rating
0
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PrintablesKB9RLW

Simple 2.4 ghz yagi tripod mount

Just a simple bracket for mounting a 2.4ghz wifi yagi antenna to a tripod. There's a slotted area for the boom and you secure it with a couple of zip ties. The hold is the right diameter to thread the tripod bolt into. Category: DIY

Downloads
26
Likes
7
Rating
0
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PrintablesKB9RLW

PLA LM8UU bushing for Anycubic I3 Mega

The original part was 0.5 too big in the outer diameter and wouldn't fit in the clamps on the mega. Also, it was too short as the original bearings were nearly twice as long. I printed them at 0.15mm layer height and they slid right on…

Downloads
24
Likes
0
Rating
0
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PrintablesKB9RLW

"Ladder" for the GhostBusters Proton Pack (with knob too)

This is an easy print, and what I understand to be one of the harder parts to source otherwise. I've got more in the works. These are converted from sketchup models provided me by a friend, I didn't model them. That said, converting them…

Downloads
24
Likes
6
Rating
0
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PrintablesKB9RLW

The Crinkle vase and matching candy bowl.

My latest design in FreeCAD. You can print in vase mode for a quick display piece, or print in regular mode if you want them stronger and water tight with a smooth interior. Best when printed in a Silk type shiny material.

Downloads
23
Likes
4
Rating
0
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PrintablesKB9RLW

Biohazard symbol for the carriage on the Anycubic I3 Mega

This is a remix, but I can't find the original model again! I re-sized this to fit the slightly rectangular face on the carriage of the Anycubic I3 Mega. There was so many people asking for it that I decided to re-up the resized version.…

Downloads
22
Likes
2
Rating
0
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PrintablesKB9RLW

Condenser mic ear canal for binaural dummy head

This is an artificial ear canal to hold a small condenser microphone in the ear of a beauty supply dummy head. This is part of a binaural microphone project I did recently. If you drill a hole through the outer shell of the head, a bit…

Downloads
21
Likes
1
Rating
0
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PrintablesKB9RLW

I3 mega foot spreader

NOTE You'll probably want to print these on a raft. They're difficult to take off the plate without it due to their shape. These spread the weight out from the feet a bit to allow foam for noise damping. Find an old mouse pad and cut 8…

Downloads
19
Likes
3
Rating
0
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PrintablesKB9RLW

Faceted Bowl

My second 'from scratch' bowl/vase type design. This one is a faceted spherically shaped bowl. I don't have a picture yet as mine is printing while I type. I had to use support on the exterior for the print due to the extreme angles. I…

Downloads
18
Likes
0
Rating
0
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PrintablesKB9RLW

Stylus caddie for the SeeSii NanoVNA-F V2

Keep the stylus at hand. Simple caddie that sits on the top or bottom of the unit and uses the existing case screws. It should be printed on it's side, and you might need a brim enabled. The stylus will slip into the hole and lock in…

Downloads
17
Likes
4
Rating
0
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PrintablesKB9RLW

Themable candle box.

A candle shadow box that projects stenciled patterns on the room walls. The box walls are 1.5 mm thick, 100mm wide by 80mm tall. You can create your own walls in any design software, just cutout the stencil patterns with whatever themed…

Downloads
17
Likes
9
Rating
0
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PrintablesKB9RLW

Pencil cup with an organic flowing form.

A pencil cup designed with a focus on a flowing organic shape. Printed in shiny material it really reflects light well and in many directions, highlighting the curvy shape. The dense version will produce a particularly smooth surface with…

Downloads
17
Likes
0
Rating
0
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PrintablesKB9RLW

RV clothes rod fixture

This is a replacement for the cheap and brittle plastic flanges they used to hold up the 26mm diameter pipe for hanging clothes in my RV's closet. Have to use slightly longer screws since the screw hole runs through the entire part. I did…

Downloads
17
Likes
4
Rating
0
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PrintablesKB9RLW

Back of uBitx case with anderson power pole thru-hole

Updated back for the uBitx case with anderson power poles for power connector. The power poles will snap into the provided hole. Category: Electronics

Downloads
17
Likes
1
Rating
0
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PrintablesKB9RLW

Mini spool for wire or whatever.

This is a small, 80mm diameter, 35 mm deep spool that I use for antenna wire, but I'm sure has many applications. If your printer bridges well, you can print it without support. The interior pocket uses a bridging trick to support the…

Downloads
16
Likes
2
Rating
0
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PrintablesKB9RLW

Gopro mount for Vivitar 360 sky eye drone

Frustrated by the low quality and fish-eye video from the stock camera, I decided to improve things. This gopro mount will attach to the existing shock mounts on the drones camera mount. The shock mounts can be removed from the original…

Downloads
14
Likes
2
Rating
0
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PrintablesKB9RLW

Version 2 of my case for the ZachTek CWflea transmitter.

This is version 2 of my case for the little transmitter I co-developed with Harry over at ZachTek. The little button knobs are optional if your printer can handle the small square hole. The buttons can be clicked through the holes without…

Downloads
12
Likes
0
Rating
0
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PrintablesKB9RLW

Coil forms for the GW3UEP 630 meter power amplifier

These are forms for winding the three coils used in the 630 meter power amplifier for amateur radio that was designed by GW3UEP. There are two mounting clips to put L2 and L3 horizontal. It is important that the three coils are not…

Downloads
12
Likes
1
Rating
0
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PrintablesKB9RLW

J38 straight key knob based on Monty Python foot

I incorporated user cerberus333's excellent model of the foot that squashes the title in the Monty Python show opener, into a custom knob for a J38 style straight key. After printing, I gave it a couple of coats of spray on satin finish…

Downloads
12
Likes
2
Rating
0
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PrintablesKB9RLW

Top Hat style knob for J38 key

Patterned after a Russian mini spy key knob. It has a 3mm hole in the bottom for mounting to just about any J38 style key. Best printed at 1mm or lower layer height. Category: Electronics

Downloads
12
Likes
0
Rating
0
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PrintablesKB9RLW

Yin Yang themed dual chamber pencil cup.

Another artistic exploration in FreeCAD. There is a dense mesh version that will take longer to slice, but produce a much smoother and non-faceted exterior, best for shiny filaments.

Downloads
11
Likes
3
Rating
0
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PrintablesKB9RLW

Strangely symetrical vase

I thought I'd try making a vase/flower pot in Blender. My maximum build height is only 8.5cm, but feel free to scale it to taste. I was playing around with shearing planes and scaling to get that triangularly faceted look. I've tried to…

Downloads
9
Likes
0
Rating
0
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PrintablesKB9RLW

Case for the ZachTek WSPR-TX LP1 transmitter.

Extrusion style case for the WSPR-TX. The board slides in with slots in the case. To make the lettering on the front and back in a different color as in the photo, print with 0.2 mm layer height and set a color change at 0.6 mm and…

Downloads
8
Likes
1
Rating
0
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PrintablesKB9RLW

Spaced out Anderson Power Poles shell and panel mount.

Anderson Power Poles gives you three configurations, Both in the same direction, the pos on it's side, or the neg on it's side. Here's a fourth configuration if three is not enough. This is a shell and a panel mount that spaces the two…

Downloads
8
Likes
2
Rating
0
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PrintablesKB9RLW

Hewlet Packard 8640B signal generator power button

I obtained an old HP 8640B that was missing the power button. TinkerCAD and my monoprice select mini to the rescue. Now I need to clean up the old girl. Category: Electronics

Downloads
8
Likes
1
Rating
0
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PrintablesKB9RLW

Ten Tec R4040 internal battery shims.

The Ten Tec R4040, otherwise known as the YouKits HB-1B is a small low power ham radio transceiver. Ten Tec sells an internal battery for the radio that is just a tad to big to fit in the case! My solution was to model these shims for the…

Downloads
8
Likes
0
Rating
0
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PrintablesKB9RLW

Anderson Power Poles adapter for bench power supplies.

A simple clamshell to hold two binding post plugs and a set of Power Poles. I used the old style plugs that came with a screw on plastic cover. Remove the cover and the screw threads will be clamped into the shell. Simple enough. There…

Downloads
6
Likes
2
Rating
0
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PrintablesKB9RLW

Mendel Upper Z supports

EDIT: Updated the bracket slightly. Lengthened it by 1mm to accommodate a washer between the coupler and the bearing, and widened it slightly for better alignment with the stepper motor screws. This is an update to my Z support for the…

Downloads
6
Likes
1
Rating
0
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PrintablesKB9RLW

The Dancing Bats interactive magnetic desk toy.

The theme for this year's Halloween contest was, "Make it Move". So I did. This little bat mobile uses magnets to make the bats move in unexpected ways. You can change the pattern of magnets in the base to experiment and play with it.…

Downloads
4
Likes
4
Rating
0
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PrintablesKB9RLW

Permanent magnet floating display stand. Balances on the tip of a needle, spins a long time.

This project took awhile to get right. The parts should print well, supports will be needed for the base and the magnet sorter base. There is a demo video linked below that also includes detailed assembly notes. You really should watch…

Downloads
2
Likes
0
Rating
0

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