A simple bookmark clip that prints in place with just 1g of filament.
Print at 100% infill with PLA.

Bookmark Clips | Print-in-Place

bookmark.stl

Simple, print-in-place carabiners. Prints with just 6g of PLA in ~15min.

(MUST print in PLA with 50-100% gyroid infill for strength).

Simple Carabiners

carabiner_double.stl

Just a simple clip to hold together stacks of bills. Prints in place in ~15 minutes with PLA.

Simple Cash Clip  -  Print in Place

cash_clip.stl

A simple print-in-place rotating gyroscope with a detachable stand. Adds a nice touch to any desk. You can also remove the stand and use it as a spinning fidget toy.

Print in PLA with no supports.

Gyroscope Desk Art

gyro_art.stl

These are print-in place cable rings to make loose cable into neat and tidy bunches. They are flexible, so you can gently pull them open, push each cable into the ring, and then let go and it will flex back closed. 

Print the small rings for bunches of about 4-8 cables, and the large rings for bunches of about 8-12 (or for very thick cables). I do not recommend scaling the model down, as this will make them thin and fragile.

**NOTE**: You MUST print with 100% infill and PLA! Low infill will make them fragile, and they were designed around the natural flexibility of PLA.

Cable Rings - Print in Place

cable_ring_large.stl

This is a mini keychain version of my Simple Box Opener model:(https://than.gs/m/1111202)

A quick print that only uses about 2g of filament. Just put it on your keychain and you'll never have to pull out a knife or scissors just to open a box.

If the blade is too dull, try printing with a lower layer height to make the edge of the blade thinner.

Box Opener - Keychain Version

mini_box_opener.stl

A simple fidget toy that prints in place, no supports or assembly.
You can even rotate the ball a full 360 degrees, so you can spin it around super fast like a fidget spinner.
Note: This will require your printer to print the bottom of the ball in mid-air, so the ball may get stuck if your tolerances aren't well tuned.

Print-In-Place Fidget Joystick

fidget_joystick.stl

NOTE: I also have a mini keychain version of this model: https://than.gs/m/1113054

Just a printable box opener. It's about the size of a credit card, and easily fits into a wallet. Only uses about 8g of filament.

If the blade is too dull, try printing with a lower layer height to make the edge of the blade thinner.

Simple Box Opener

box_opener.stl

This is a lightweight wearable display inspired by Google Glass that is designed to be connected to any computer via an HDMI connection.

Note: This project is still a work in progress and has many features that still need to be added, such as a mounting system. There may be problems that still need to be fixed!

The Iris is based off the Sony ECX336C OLED microdisplay, with a resolution of 640x400 (See https://www.sony-semicon.com/en/products/microdisplay/oled.html). This microdisplay is seen through a transparent optical prism, making the appearance of a transparent display floating in space a few feet in front of you, with a diagonal FOV of about 20° (the picture shows the display having blurring and artifacts, but these are caused by the camera lens and IRL the display is crisp). The display panel is connected to a driver board that allows you to connect a Micro-HDMI cable for video connection, and it can even get it's power connection through the HDMI's 5V line (or optionally an external 5V power source if you remove the 0Ω resistor from the circuit board near the power pins.)

The microdisplay with the integrated prism and driver board can be bought on Aliexpress for around $230, but you could also get one cheaper on Alibaba if you are willing to spend time negotiating with the sellers. Sadly I cannot put a purchase link since these listings seem to come and go pretty quickly. Search google for "sony ecx336c display hdmi" and find a listing that shows the display with the prism and a driver board that has a Micro-HDMI port on it, NOT the driver board with AV signal input! (see pictures to see what you should be looking for.)

Print the case and cable cover with PLA (I switched colors partway through to get a contrasting color on the text). To assemble, remove the display's ribbon cable from the driver board and insert the driver board into the case so that the micro-HDMI port goes into it's slot on the case. Next, reconnect the ribbon cable while the driver board is inserted, and put the display into it's slot on the case. Tuck the excess ribbon cable into the tracks under the driver board, and put the cable cover into place in it's slot. 
All of the case assembly is designed to be friction-fitted, but if your tolerances aren't perfect you may need to use glue. I recommend to put two tiny dots of hot glue on the corners of the display's slot so that it is held in place better. However, DO NOT put ANY glue in the bottom of the display slot or on the back of the actual display panel (the reflective part when you look on the back of the prism), as this can damage it.

Iris MK2 Wearable Display

Iris_MK2_Case.stl

I have a cheap electric screwdriver that I bought on amazon, and designed this model to hold two extra of bits on the back using some small magnets.
You can get the magnets cheap on amazon. They seem to be 1.75mm thick with a 3mm diameter.
The magnets and cap itself may friction fit depending on your printer and slicer settings. Mine did not, so I just used a little drop of hot glue to hold in the magnets and also glued the cap onto the screwdriver.
Hope someone finds this helpful!

Magnetic Bit Holder for Cheap Electric Screwdriver

V2_driver_cap.stl

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