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Changelog/News: 2021-02-03: Added new variant "08 Gear rack drive (main body) v5_strongerprint" for easier removal of support structures 2019-02-24: Updated "11 Gripper arm" to v5, implementing these suggestions 2019-02-10: Peter (…
A case for the PCA9685 16-Channel Servo Driver board from adafruit and its cheap chinese clones (see note below). The bottom part comes in two versions: a plain standalone version and one with connectors for the fischertechnik…
(English version below) Erweiterbare Umkehrspindel basierend auf Vorarbeiten von Florian und Ideen von Florian, pinot und Stefan aus der ft:c . Zwei Endstücke mit beliebiger Anzahl von Mittelstücken. Die Endstücke alleine ergeben eine…
I was curious if I could print a fischertechnik compatible chain (module m1.5) using the print-in-place technique. I succeeded mostly, but not completely. Two versions are included: The "slim" chain is more similar to the original chains…
Fully printed, no assembly, print-in-place fin ray grippers, printed with plain PETG, no TPU flexible filament needed. The connectors are compatible with fischertechnik. The grippers' angle is 16°, so that you can use two Winkelsteine 7.5…
Changelog: 2020-02-19: I granted an exclusive permission to Peter Habermehl for selling prints of these stepper cases in his shop at www.mintronics.de . 2020-01-29: Improved top and bottom case parts according to my current design…
Don't know if this is a generic part or specific to this faucet handle model, at least it has worked for me. Print Settings Printer Brand: Anet Printer: A8 Rafts: No Supports: No Resolution: 0.2 mm Infill: 100% Filament: any PETG…
Changelog: Update 2021-03-01: Steve ( faultedlogic ) made a remix for current A8 models with plastic bearing blocks . Update 4 (2018-06-17): added countersunk hole for chain fence Update 3 (2018-06-11): updated left motor mounts for…
Fully functional replacement for metal fittings, tested up to ca. 1 bar. Comes in four versions, barbed, straight-long, straight-short, and 90° angular. Use with 6x1.5mm or 5x1mm O-rings. Can be tightened with a 7mm wrench, but don't pull…
Réglette de pêche à pied / Measuring aid for tidal foraging / Messhilfe für die Gezeitenfischerei (English/German versions below) Pour déterminer les tailles minimales selon les règles du département de la Manche (Cotentin/Normandie) pour…
Connect a 1 inch and a 1/2 inch garden hose to an IBC tank outlet. I use it to connect the input from the rain collector and an output without having to drill any extra holes in my IBC or having extra external T-connectors. The angle…
A more versatile alternative to the classic fischertechnik building block 15/Baustein 15 . This idea has been around for some while and others have realized it before . However there's no version on thingiverse yet, so here's my version.…
Conventional 16x2 character LCD displays with hd44870 controllers are huge. They get even bigger with a PCF8574-based I2C module attached to their back. Buydisplay.com sell the EastRising ERC1602-4 LCD series with a chip-on-glass (COG)…
A print-in-place fish-eye / ball joint bearing rod end for fischertechnik 4 mm axles. Requires an original fischertechnik Spannzange Z22 m0,5 (#35113) for fastening. The maximum angle between the two axles is ca. 130° without fixing ca.…
Enclosure for the ubiquitous 28BYJ-48 5V geared stepper motors for the fischertechnik construction toy system with a small footprint of 30x30x30 mm. Comes with several shaft adapters. The 28BYJ-48 is very cheap and surprisingly powerful…
A small off/on or pole-reversing switch for the fischertechnik construction toy system. Uses a 8x8 mm push-button switch found as a no name item on ebay , I assume it's a K8-8081D-L1 from Korean manufacturer HRO . The off/on version needs…
Update 11-04-2020: added Grundplatte_test_part.stl for testing and tuning of your print settings Update 03-04-2020: added two-sided versions ("Bauplatte") of both size plates. Update 19-03-2020: added half-sized 128x98 mm version, image…
Reuse the cases from your old VHS video cassette to store small parts like fishing lures etc. There's three variants, marked by an acronym in the file name: no bottom (nb): prints fastest, but small parts like fishing hooks tend to creep…
Enclosure for TP223 mini touch sensor modules with a 5mm fischertechnik building block form factor. For assembly, simply solder a male or female 3 pin header in a horizontal position to the module and slide it into the enclosure's slot…
A variant of the S-Riegelstein 15x15 for the fischertechnik construction toy system with an additional groove at its back (S-Riegelbaustein 15). Inspired by an idea from this thread in the fischertechnik community. Please consider leaving…
Changelog: 2018-10-16: I updated the small middle boxes with a slightly smaller outline of 59,5mm x 30,0mm, according to baryluk's comment. Replaces the front box of an Allit EuroPlus Flex 37-15 organizer (order no. 457202) with six…
The fischertechnik mini motor comes with a pinion and gear adapter . Unfortunately, the smaller Z11 gears of this adapter are prone to break sooner or later. Proper replacements can be ordered e.g. from the great fischerfriendsman.de…
A fishing strike indicator (Pilotkugel) inspired by @props3DPro 's design . The added slot allows you to install or change the float flexibly at any time. The locking pin has a flat side to allow for easy printing, make sure to turn this…
Turn PET soda bottles or Sigg water bottles into air tanks for fischertechnik pneumatic applications. Both kinds of bottles are suited for compressed air up to at least 1 bar, the Sigg metal bottles are perfect for vacuums. The PET…
My earlier attempt did not fully realize the potential of a 45° angular block, as it did not stay within the fischertechnik 15mm grid. This design picks up several suggestions by Thomas (geometer) in this ftc-thread . There are STLs for…
A ball wheel (caster wheel) block for the fischertechnik construction toy system. Needs a steel ball as included in the fischertechnik marble run line with a diameter of 12.66mm. The ball wheel block is meant to be used in turtle like…
A case for the cute LILYGO T-Display-S3 ESP32 module with its ultra fast and sharp TFT display (without touch version), with compatible connectors for fischertechnik. Two I2C connectors at the back need a 2x9 strip of perfboard and two…
Update 2021-01-22: Outdated, an improved version is here . The fischertechnik construction toy system has angular blocks with 7,5°, 15°, 30° and 60°. This is the missing 45° angular block. Connecting eight of them in a circular…
Depending on the gear ratio, the length of your motor will vary, see dimension drawing. That's why I included versions for different reducer lengths. Needs two M3 screws to fasten. If you have a motor without encoder, have a look at…
A variant of the standard fischertechnik connector with two flat sides in three versions with 15mm, 30mm, or 45mm. It is meant for situations when the ft spring cam (Federnocke) will not provide enough stability. Please consider leaving a…
A relatively quick hack that you can use as a mould for lew597's method feeder , which caught me two nice fish upon its very first use. There is a print-in-place push-out button which you can use to loosen sticky bait from the mould.…
These cheap LED&KEY modules are all over ebay and aliexpress. The TM1638 chip uses a non-bus serial protocol. I made them into an I2C target (slave) device by adding an ATtiny85 which runs my I2Cwrapper firmware with the TM1638liteI2C…
An update to an earlier design with a proper ft/ftduino-compatible 6-pin connector. There' at least two versions of these things available, that's why there is a short and a long version of the top part. If you are interested in making…
Update 2020-04-21: I made a better 16x2 I2C display here: https://www.thingiverse.com/thing:4301853 Changelog: 2018-10-30: added standalone version without fischertechnik connectors; changed name accordingly A simple enclosure for this…
A working Rzeppa constant velocity joint with only 15 mm diameter and connectors for fischertechnik 4 mm clip axles (Rastachsen). Needs six 3 mm steel balls, I got mine from aliexpress. For postprocessing you'll need a 3 mm drill, a 3 mm…
The fischertechnik construction toy system has bow-shaped beams (Bogenstücke) with 60° and 30° as part of their statics line. Combined with the flat girder part (Flachträger) you can construct circular structures with a diameter of 22,9…
The title says it all. Inspired by an idea from this thread in the fischertechnik community. Please consider leaving a "like" or posting your make as a token of appreciation for my work. Find my other fischertechnik designs here . Print…
My take on the popular drink markers aka glass markers trope. Comes in three sizes for glasses with variable thickness: narrow 1.0mm, medium 1.8mm, wide 2.6mm. My images show the medium version which will work for most cases. Print as…
As part of their solar energy product line, the fischertechnik construction toy system introduced low voltage DC solar motors a couple of years ago. I never very much liked the limited connection possibilities they offer and their overall…
Broken fischertechnik building blocks from the "grey" era? Save the black peg parts to build a new one with the color of your own choosing. Hold remarkably well even without glue, but use a drop in any case. Kaputte Steine aus der…
A compact infrared reflective sensor for fischertechnik, based on the TCRT5000 reflective optical sensor with transistor output . I needed them for a line-following robot. Use an analog input pin to measure the signal (sensor out pin).…
(English version below) Update 2022-04-28: Permanent-Version mit Silberdraht hinzugefügt (letzte beide Bilder). Auch mit leitfähigem Filament druckbar, aufgrund der hohen Kontaktwiderstände aber kaum brauchbar. (Community…
Fischertechnik adapter for air pressure gauges with BSPT 1/4" and NPT 1/8" threads. Can be used with any M5 fitting and suitable O-ring (e.g. 5x1mm or 6x1.5mm). There's plenty of different types on aliexpress , alternatively you can use…
This is a fischertechnik enclosure for 12V air compressors as available from ebay or pollin . As opposed to the similar looking ft compressor , this model conforms to the ft 15mm standard with a length of 60mm, and offers different…
Note : As commented by @JBoe in the comments section , this is not a constant velocity angular joint, as I had claimed erroneously before. See his comment for an explanation. Update Nov. 7: I uploaded a real Rzeppa joint design here. An…
I made a fischertechnik enclosure for this HT16K33 based I2C LED dot matrix module I found at aliexpress a while ago, it seems it goes by the name of "1088AS", the PCB is labeled "HW-571". You'll have to desolder the connector and connect…
This is an enclosure for a cheap type of mini pump, making it compatible with the pneumatic program of the fischertechnik construction toy system. As the pump needs 3V as input, a small step-down converter is included in the design, so…
Update 2025-01-26 : Added info on adding wireless connection to PC. I designed this so it would fit nicely on my desk under the PC monitor. Needs no external power supply and provides me flexibly with three different voltages, so that I…
I always felt the Fischertechnik 7,5mm building blocks could need a complementary building block that would allow to not only use them for additional distance, but also as building elements in their own right by enabling perpendicular…
Update 2022-09-19: There was an error in previous versions, please use _v4 FreeCAD file for your own experiments. fischertechnik compatible housing for a 10x10mm electromagnet from aliexpress ("10*10mm Suction 0.3KG DC 5V/12V/24V Mini…
Replaces a central part of the beautiful design classic KSM 1 coffee grinder. The part fastens the metal bowl to the machine. Might work for other Braun coffee grinders from the KSM line, particularly the KSM 11 seems identical apart from…
Use this quick print adapter to connect male Dupont pins to a DIP-packaged IC on the fly. I mainly use them to program Atmel AVR chips via ISP with a USBasp programmer with optiboot Arduino bootloader via USB-TTL converter with…
The classic fischertechnik cam disk ( Schaltscheibe #37727 ) has a 50:50 on/off pattern. With this design you can make any custom pattern. Load the Schaltscheibe v1.FCStd file into FreeCAD, open the spreadsheed and edit the parameters.…
Simple guide for a Stabilo point 88 fineliner pen with fischertechnik connectors. Use it for a controlled lift/drop mechanism for plotter applications. Note that this is not a holder with grip, but a loose guide. Use the easy to adjust…
Use this quick print adapter to connect male Dupont pins to a DIP-packaged IC's pins on the fly. Meant for in-system-programming (ISP) AVR microcontrollers, but surely there are other uses, e.g. in-circuit testing with logic analyzers…
Cases for 1.77in 160x128 pixel and 1.44in 128x128 pixel TFT displays from aliexpress with fischertechnik compatible connectors and I2C interface. There's a multitude of PCB versions for each display, so watch out to get ones with the…
A contactless rotary magnetic encoder for fischertechnik with I2C 3,3V interface using the newer white square AS5600 modules. Comes in two versions, the 30x30mm version is more compact, but in many cases you'll want the 30x45mm version,…
This adapter allows you to use your superflous fischertechnik Reifen 45 as supporting towers. Mit diesen Adaptern könnt Ihr überflüssige Reifen 45 als Türme oder Säulen verbauen . Please "like" this thing or post your make as a token of…
A simple case for Piher-15 Potentiometers (order number PT15 N H05) for the fischertechnik construction toy system. Use the larger version if you find that the fischertechnik pegs of the smaller version don't print well. For connecting…
This is a case for Hall-Effect Switches (Hall sensors) compatible with the fischertechnik construction toy system. It can be used as end stop, rotary counter etc. Needs a suitable magnet, for fischertechnik I recommend 4x4mm cylindrical…
Housing for a cheap volt-/amperemeter from aliexpress for fischertechnik. Compare the images, there are a couple of similar variants. Note that the ammeter's precision is only 10mA and it will start measuring amperage only from 20mA…
Contactless rotary encoder based on the AS5600 hall sensor for the fischertechnik construction toy system. It uses these kinds of boards available from ebay and others. Please note that the board's "PWM" connector actually will provide an…
Changelog: 2020-01-31: Added variants with only one peg. The fischertechnik groove and peg connections are sometimes too loose, due to inaccuracies in 3D-printed parts or wear of the original parts. This washer will result in a tighter…
Simple holder for a small 7 x 1.8 mm reed switch. Needs no additional materials. Print the bigger part with supports (only) for the side groove. See images for assembly. The switches' glass part is prone to break very easily, so use the…
Update 2023-05-13: Added option for reusing the old worm gear, instead of using a printed one. Revive your old grey fischertechnik mini motors with this kit. Needs a Mabuchi FF-030PK-09210 form factor motor. See this thread (in German)…
Compared with the ubiquitous HC-SR04 sensors, these modules come with a combined emitter/receiver and an optional UART or I2C-interface. Unfortunately, their minimal range, 25 cm, is much larger. More info on these sensors and an Arduino…
A small switch for fischertechnik as a complement to the classic mini switch. Needs a 12.8 x 6.5 x 5.8 microswitch with metal actuator. Not perfect, it has a bit more resistance than the original and the contacts are a bit prickly, but…
The fischertechnik solar power modules like this one (2V x 200mA = 0.4W) are often too weak under non-ideal conditions to do anything meaningful with them. This is an alternative more powerful 1W module (6V x 166mA). You can easily chain…
Changelog: 2019-03-27: Added files for etching the PCB in extended gerber, PDF, and SVG file formats in archive PCB.zip (cf. last two images) This easy to build PCB with printed enclosure provides an additional 8 digital inputs (or 25mA…
Update Dec 6, 2021: added improved version v2. Print this with PLA as hot as possible (I used 235°) with as little cooling as possible, no overextrusion, and you will get a very stable and usable result. A version of the conventional…
Changelog: 2019-12-31: Updated main part (Pneumatic gauge case v4) with slightly widened grooves and improved groove ends. The images still show the old version. The connector part is unchanged. Adapter case for this kind of air pressure…
For my version of the ubiquitous power supply cover design, I wanted a combination of the functionality of papinist 's cover with LCD power meter with the IMHO better looks of this solution by TNS . To be honest, I'm not entirely content…
The fischertechnik construction toy system uses cables with unusual 2.6mm jacks . Compatible connector sockets, so called " Bundhülsen " (flush sleeves) are hard to get, relatively expensive, and you have to drill holes in your PCBs to…
Uses a cheap ripoff of the retired SparkFun Capacitive Touch Keypad from aliexpress . There's different versions, I assume they all use the same overall layout, though. Warning: My board came with faulty soldering of the MPR121 chip. It…
Modeled after the discontinued fischertechnik Polwendeschalter ( photo ) from 1968. Watch out for the pin layout, it is different from the original. The snap-action mechanism comes in two versions, one is fully printed, quite rigid and…
Variants of the 15x30x3,75 building plate with customizable lengths. Just edit the variable "len" in the FreeCAD's file "v" sheet for other sizes. Category: Construction Toys
A design study. For actual use, the friction between gears is too high and the gripping force of the compliant parts is too low. update 1: added new version for a Z22 Spannzange (_new v1) update 2: Somebody made a yt short:…
A mostly, yet not fully, working attempt at recreating a manual valve from the fischertechnik 80ies pneumatics program . Note: the photos show an earlier version, I added a third fitting and tweaked a number of internal measures in the…
A simple application for my Printbuchse . Replaces the old distributor plates/Verteilerplatten which are not part of the current fischertechnik program any more. The FreeCAD file is parametric, change the block_len parameter on…
StepFish is a stepper motor controller for the fischertechnik construction toy system based on an ATmega328 microprocessor. It can be used as a standalone controller (and I2C master) or as an I2C slave. Hardware features: *up to four…
Buttons printed with conductive filament for fischertechnik to be used with capacitive touch hard- or software. Can be used with: Dedicated touch pins of some specific microcontrollers, e.g. ESP32 touch sensor pins I2C touch sensor…
A case for the narrow "two hole" version of the TCS3472 PCB from aliexpress/ebay. You'll need to cut the two flanges of the PCB to make it fit. See the photos for cabling and assembly. Use a 9x3 strip of perfboard cut to size for the I2C…
A very simple bus extender for 2x3 female connectors as used by the ftDuino or fischertechnik TX controllers for I2C connections. The enclosed FreeCAD file is parametric, so you can generate any number and layout of connectors you need.…
Warning: Use at your own risk. LiIon batteries are potentially dangerous, if handled improperly. Do not use or charge unattended. Not safe for children. Use the protection cap to prevent short circuits. I needed a fischertechnik…
Serves as a replacement for the fischertechnik clip contact (Klemmkontakt) which is not part of the current fischertechnik program any more. Please consider leaving a "like" or posting your make as a token of appreciation for my work.…
An application for the "Drehnut", an alternative connection mechanism for fischertechnik. You can print it standing up without support, or lying flat with the version with integrated support. Eine Anwendung für die "Drehnut", einen…
Two versions, v3 PLA/PETG-only version (left side and middle on first image), v4 with TPU gasket (right side on first image). Both are not perfect and need refinement, this is mainly for demonstration purposes. Print with contact faces…
A case for a simple DC motor PWM manual controller. Desolder the terminal blocks and replace them with two 15 mm three pin male pin headers with the middle pin removed. Turn and lay the yellow PTC flat as shown in the pictures. Please…
Replacement for a rolling cabinet's broken wheel / Ersatzteil für Bauhaus Rollcontainer, die mitgelieferten Rollen halten nicht viel aus (s. Foto). https://www.bauhaus.info/rollcontainer-buerocontainer/rollcontainer/p/20040837 0.2/0.3 mm…
These small no name DC-DC step-up/down converter PCBs are ideal for small projects of up to (nominally) 600mA. Mine are called "DC-DC Automatic Buck-boost Modul 2.5V-15V to 3.3V 4.2V 5V 9V 12V Output" on ebay. Watch out, there is a newer,…
Adapter for Adafruit's featherwing motor shield for fischertechnik. Uses a sandwiched perfboard of identical size for the necessary I2C connector and ft connectors using the printbuche technique. The distancers (distpart.stl) are not…
Remake of ft part 38417 . Usually, I'm against publishing remakes of original parts. This part, however, is long retired and very hard to get second hand, so I feel it's ok to share the design. keywords: Fischertechnik Category:…
Use this if you need to connect multiple I2C devices with the same address to one bus. Uses a plain PCA9548A module mounted at the bottom of the PCB. Contact me if you are interested in the PCB. Category: Electronics
For aliexpress "4 bit WS2812 light bead module strip light bar full-color driving slide lamp development board module SCM" modules. Use Dupont cables as connectors and simple pin headers for chaining more than one module. Angled…
An enclosure for a 2 channel bidirectional 5V<>3,3V level shifter with voltage regulator. Includes a DIP switch for enabling the voltage regulator, disable it if both sides have their own power source, enable it to power the 3,3V side…
With two cheap JDY-40 modules you can easily establish a wireless serial connection without any need for additional configuration or software. This dongle combines a JDY-40 and a CP2102 USB to serial module. I use it mainly to program my…
A tiny improvement over jipimac's perfectly adequate version . This one works without the metal spring, I replaced its function with a tiny nook that works just as well to secure it in place when not in use, with the added benefit of a…
A quick hack to replace the handle of a quick-change tool with 8 mm diameter and flattened end. I designed this with little tolerance for a tight fit, so make sure you don't under- or overextrude your print. For maximum stability and…
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