On request, I have updated my holder for the gopro 8 to fit the 9, 10, and 11. However, as I do not have them on hand, I have not been able to test their fit. Any feedback in this regard would be appreciated so I can adjust this. I intentionally gave more space than in my original design to increase the camera's likelihood of fitting into the holder.
The design is now 10u because the newer gopros are larger.

Gopro Hero holder 9-11 prototype.stl

Mount for the Sony 10 iv phone using the GoPro mount system. Holds the charging cable in place for easy charging. It can be mounted virtually anywhere. I am using mine in the car and on the bike. The cable I have used is a Samsung USB C cable. Your mileage may vary.
Fusion 360 file included if you need to adapt for other phones or cases. The design is partially parametric. Parameters set for the phone. For the USB cable, I have not made parameters as there are so many variants.

Sony 10 iv phone to gopro mount with charge cable

Holder for spare lamy t10 cartridges.
My prints were done with 0.6mm nozzle, and 0.3 mm layer height on ender 3. Other common settings should work.
Added the fusion 360 files for those that need to adjust it for their needs.

Gridfinitybox Lamy ink cartridge holder

Holder for my spare lamy t10 cartridges.
My prints were done with 0.6mm nozzle, and 0.3 mm layer height on ender 3. Other common settings should work.
Added the fusion 360 files for those that need to adjust it for their needs.

Gridfinitybox Lamy inc cartrige holder v6.stl

Vertical mount for the screen on the ender 3 v2. The original mounting hardware is used for mounting. I am using the squash ball feet, but you need a clearance of 3.5-4 cm under the frame for the screen not to hit the surface the printer is placed on.

Ender 3V2 screen vertical mount.stl

Gridfinity holder made for the bolts used by gopro to mount it. Fits 4 bolts. 
Uses a 1x1 base and is stackable. 
I printed it with base down, no support, otherwise close to default settings for pla. 

Gridfinity 1x1 gopro bolt holder.STL

1x1 gopro bolt holder.STL

Gridfinity holder made for gopro hero 8. 
Dimensions vary between models and may not fit.
It uses a 2x1 base and is stackable. 
I printed it with base down, no support, otherwise close to default settings for pla. 

Gridfinity 2x1 gopro 8 holder.STL

Gridfinity holder made for gopro hero 8. 
Uses a 2x1 base and is stackable. 
I printed it with base down, no support, otherwise close to default settings for pla. 

Gridfinity2x1 gopro holder.STL

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