Ergonomic Pen - Takes a Standard Biro Inner
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3D model description
Here is a easy to print ergonomic pen both right and left handed grips with holder that will take a bog standard biro inner. Once the inner has ran out of ink you can pull the pen apart and re-use it with another biro. I thought about selling this design but then thought better of it as i could see this helping people with dexterity problems and would rather give back to the community. Feedback on this first version of the pen greatly received.
NOTE: The biro inner does need cutting down to length, whilst i have shown a photo of the dimension i used you may find it best to insert the biro into the end of the pen (and ensure it is pushed all the way in and the put the grip on the other end and the measure the gap left at the centre to ensure you get a accurate length for your print. I did find a couple inners did not work as the ink was to far up the shaft so i couldn't cut them short enough. Most did fit though.
I have updated the STL so the holes to accept the biro insert has a 0.2 layer covering them which helps print the grip without support material as the printer can now bridge the gap. The hole is easily opened up knife so the biro insert can be fitted.
3D printing settings
Make sure to only supports from bed only so supports do not print within the hole for the biro. I also found printing at 0.2 was the sweet spot. 0.15 worked but for some reason made the for getting the biro to go into the end of the pen very tight.
3D printer file information
3D design format: STL Folder details Close
- LH Grip.stl
- RH Grip.stl
- Last update: 2018/12/19 at 11:37
- Publication date: 2018/05/06 at 23:36
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