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June 3rd, 2024 : The New Hollow Clock V is released! New version of the Hollow Clock is released. Contrary to the former version ( Hollow Clock 3 ), the angle of the hour hand is controlled not mechanically but magnetically. You need…
The popular Hollow Clock 4 is now thoroughly improved and refined. The ring is much thinner and neat (only 7mm) with indexes. There are no screw heads on the exterior (except the center of the hands). USB-C power inlet is placed on the…
3D printed palm ratchet knob (stubby screw driver handle) Print-in-place : Just print, and you are all set. Assembly work is not necessary. Durable ratchet mechanism : Tapered ratchet gear makes it not only easy to print but also sturdy…
A mechanical digital clock with three digit wheels on different axes (X, Y and Z) from each other. Visually crazy but practical Driven by a single stepper motor All parts are designed within 180 x 180mm Easy time adjustment by manual…
Toothpick dispenser with lever mechanism to reduce the stroke down to 40%. It can be printed out without support by common FDM and SLA printers. It can use as either normally up (push to get a toothpick) or down (pull to get) style.…
AAA & AA battery sorter / dispenser This battery dispenser automatically sorts AA and AAA batteries Single piece. assembly work is not necessary Easy to print. It does not require support structure Video Sorting mechanism On the slide…
A Clock with a Perpetual Calendar Mechanism This clock features a perpetual calendar mechanism that correctly handles all month lengths, including February in leap years . Despite the limited torque of a standard quartz clock movement, a…
New version (central gear is hidden behind the front panel) is published here . A clock with a perpetual calendar mechanism that correctly handles all types of months, including February in a leap year, has been developed. Despite the…
Very simple and easy to assemble 3D space mouse. It can input full 6 degrees of freedom (rigid motion) simultaneously. Very easy to assemble. Tripod mount (thread hole) is on the bottom side of the triangle shaft. Two types of base…
Enclosure of back-loaded horn speaker inspired from Klein bottle. It is designed for 50mm (2inch) speaker unit, but it can be easily scaled up or down. Easy to print without support. The dimension of the enclosure is 182(D) x 112(H) x…
Clock with Perpetual Calendar Perpetual calendar is one of the representative mechanism of complication clocks and watches. It shows correct date up to 2099 without correction because it can handle all kind of month lengths including…
Mechanical 7-segment display which can show a single digit by rotating a cam shaft. It is very simple and smooth with only 8 moving parts rotating around a thin shaft (1 cam shaft and 7 segments, except servo drive gear train). How to…
This cylindrical timer rolls down the inclined plane very slowly, at a rate of 20cm per minute. It is inspired by traditional Inclined Plane Clocks and is very similar to the popular clock mechanism Tourbillon , except that in this case,…
3D printed clock that looks levitating From 5m away, the lines to support the clock are almost invisible and thus, surprising Length and tension of the lines are adjustable using screws Minimal looks, easy to make Video How to make You…
Introducing a mechanical digital clock with numbers strangely arranged. Technical highlights Usually, intermittent motion mechanism such as Geneva drive is necessary to decrease the number of the motors of mechanical digital clock.…
Automatic fish feeder for your aquarium. Stuck-free mechanism - a spring-loaded blade decreases the load when a pellet is on the edge Self-cleaning structure - debris will drop into the aquarium Easy to make - only 3 parts Note: It…
Simple case for Arduino nano + ULN2003 driver board comes with 28BYJ-48 stepper motor. It has a button to reset. This item is good to use with Hollow Clock 3 : https://www.thingiverse.com/thing:5142739 Erecting Flap Clock :…
Darrell Aldrich's smart idea of overlapping segments digital clock is used to make the digits relatively larger than former Rotary Digital Clock . Instead of painting segments, printed part is just sticked to the rotor. Darrell Aldrich…
Hexagonal tiling puzzles with daily different goals Arrange the pieces so that cells of your preferred day are visible. You can enjoy the puzzle every day. It has daily different goals. I confirmed there is at least one solution for every…
Hour hand is no longer held by the surrounding circle. It is held by the minute hand, and angle is controlled by the hung reduction gear which is kept vertical by the weight itself. This clock hands kit is compatible for the bodies of…
Similar to split flap clocks but each flap is single sided and erects at the top of the clock. Download all files from the following link, https://www.thingiverse.com/thing:5140134/zip Note : this clock is relatively difficult to make.…
Loudspeaker enclosure with aperiodic (resistive) vent to avoid harmful resonance of insufficient air volume. Inner surface consists of two types of quadric surfaces (parabola and ellipse) that share common locus. Aperiodic vent can be…
Two hand analog clock with automatic time adjustment using NTP via WiFi. Contrary to the former WiFi Sync Clock , this clock works normally with monotonic CW rotation (except origin alignment once a day). It resets the position of hands…
Duration of this timer can be set by the number of steel balls, 30 seconds per ball. Only the last ball rings the bell, and the others are just ejected. You also need Steel balls (11-12mm) Steel shaft (1.5mm or around) Bell two screws (M2…
A typical perpetual calendar is twice as wide as the display size. Alternatively, you need to align each date one by one. Some calendars do not allow you to view short months. This calendar has a function to automatically adjust the…
Mesh pen stand. I printed out without "retract" function of slicer to exploit stringing phenomenon which generates fine lacy details. It also reduces printing time much. Category: Organization
This balance shows the ratio between two objects, from 0 to infinity. You can use this balance as a normal scale with a fixed weight. All parts can be printed out without support. Printable with 200mm x 200mm printers. Video How to make…
This calendar automatically keeps the day of the week correct for one year, from March 1st to the end of February of the following year. Unlike the incremental mechanism found in perpetual calendars of fancy mechanical watches, any drum…
You can measure 1 cup of rice with your single hand. It measures 1 cup of rice (180ml). You can scale it for different volumes. volume scale 1 cup (180ml) 100% 1.5 cup(270ml) 114.5% 2 cup(360ml) 126% Jul 18. 2021 : Improved Sep. 19, 2021…
"Day-Date" calendar add-on for common quartz clock movement Contrary to the wrist watches, clocks with mechanical calendar are hard to find. This 3D-model adds a calendar function which shows the day of the week and date mechanically to a…
Three hand analog clock with automatic time adjustment using NTP via WiFi. Intelligence of the micro controller now removes the gears from the clock. This clock has no gears to rotate hands although it has only one stepper motor. Hooks…
Note : Improved single digit unit is released. Number of the parts is much reduced. It does not use rubber bands and requires very small force to drive. https://www.thingiverse.com/thing:5066794 Summary A single unit of mechanical…
Easy to make, beautiful digital clock with WiFi time acquisition. Monolithic structure : It consists of only one functional part (except rear cover) Monolithic appearance : when power is off, it looks like a marble brick Maximum part size…
Hollow clock : Highly visible with minimum occlusion Easy to operate : super easy time adjustment, minute and hour can be set separately Instant design change : clock face (index plate) is interchangeable instantly Easy to print :…
A desk clock with retrograde minutes and jumping hours mechanisms. Retrograde minutes : The minute hand moves not rotational but reciprocal Jumping hour : Numerical hour display that changes instantly largest part size : 174 x 99mm How to…
HUD like clock that acquires current time via WiFi. Four common 8x8 dot matrix display unit (MAX7219 driver) are used. The display unit is tilted backward for directly invisible. How to Make You need Four connecting 8x8 dot matrix display…
3D printed weighing scale with several attractive features such as More sensitive for light payloads (2g/div) Max 500g payload Tare function (subtraction of the weight of containers) No spring Easy to calibrate Maximum part size : 126(W)…
This clock shows both of minute and hour hands with a single rotating part. It uses moiré effect to optically show the minute hand which rotates 12 times faster than physical rotation with hour hand. How to make Parts Stepper motor…
A 3D-printed clock featuring both digital and analog displays with the following characteristics: Both the digital and analog displays are driven by a single motor. The current time is automatically acquired and adjusted via WiFi. A…
Square dial mystery clock.It does not have transparent rotary disk because it never fit in the frame. Can you guess how it works? Of course, it has a motor at the bottom. The question is how to drive the hands through transparent glasses.…
Geared mechanism converts normal clock movement to a world clock with automatically rotating world map. The world map rotates at live speed (1 full turn per day). You can operate a time zone dial to confirm the current time at any place…
Decorative mechanical digital wall clock is introduced. Features You can make this clock with small 3D printers. Maximum part measures 151 x 90mm. Relatively easy to make. Number of printed parts is 42. Chains are partially…
A digital clock with vertical bars. The weight of a bar itself moves the neighboring bar when carry up. Only one servo motor Reduction gears make it possible to raise neighboring bar by the dropping lighter bar (lever principle) Easy to…
Glass spherical speaker which needs no processing of glass. I used cheap glass bowl sold in DAISO (200 yen) and FOSTEX FE103En full-range speaker unit. The dimension of glass bowl has slight individual difference, so this thing is marked…
A hung clock driven like a marionette. How to make Parts A 28BYJ-48 stepper motor and its driver board comes with. Micro controller such as Arduino nano. Soldering iron for plastic welding. Some tapping screws. Some weight. Light silicone…
Mechanical perpetual calendars with several advantages. It can display all four types of months from 28 to 31 days When a month is selected, the day of the week is automatically displayed (from March of the year to February of the…
Loudspeaker enclosure with 7.5L air volume. Pottery umbrella stand is used for the bottom part of the enclosure. Excellent sound with highly evaluated Alpair 7A generation 3. Custom Section Category: Audio
With a fish-eye lens, it can take a omnidirectional photo in a single frame. It automatically rotates with a spring motor of music box movement. Photographs taken by the camera can be seen at http://shiura.com/gallery/toryu/index.html…
Nonlinear letter scale compatible with objects of various weight. It has 1g resolution for light objects. It can measure relatively heavy objects as well. Easy to assemble (it consists of 3 parts). Easy to calibrate. Video How to make…
A tetromino tiling puzzle that can show all ASCII characters. Fill the 8x8 board with 16 tetrominoes. Each tetromino has 1 ~ 3 ON-pixels on a single side. (the all pixels on the other side are OFF) Surprisingly, it can show all 95 ASCII…
Mechanical dot-matrix display using airsoft BBs (pellets). This display is driven by only two hobby servo motors, and THEORETICALLY scalable. The dot is transported by marble maze (ball rolling maze) principle. Caution : it may take…
This is a mechanical dot matrix display controlled by a single stepper motor. Download all files from the following link, https://www.thingiverse.com/thing:5154001/zip It can show an arbitrary bitmap of 5x24 or 12x24 resolution,…
Simple but precise 3D scanner which uses the shape of shadow. You will get precise 3D model with gadgets you may already have. You need only a digital camera, LED flashlight, tripod and straight stick. Contrary to photogrammetry, it can…
It projects current time to the wall or ceiling of dark environment such as bedroom. Nikon F-mount lens (lenses for Nikon SLR) and micro:bit are used. Video How to make You need micro:bit F-mount lens with aperture ring (G- and E- type…
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