2024-04-12 (F) Weekly Summary

My CNC was built to accommodate infinitely long build dimensions, but it must be cut in sections. The spoil board had a regular pattern, so I copied it to the drawing, but I measured the M6 bolts, which were 5.75mm, and I wanted them snug.
Holes to match the spoil board mounting points

I cut the plastic hoop in two passes with the CNC machine, which turned out wonderfully. Once I cleaned up the edges with a razor, I fastened the electronics with zip ties, giving it a slight bow.
Frame with electronics

I slowly shaped the plastic to my arm by softening the structure with a heat gun and bending or pinching as necessary. The finished unit fits my wrist well, but I want to use a strap for the forearm near my elbow.
Wearable, but not stable

I redesigned the back half of REV3 to get rid of the short arms and use a strap instead. The cutting process had a few problems because I planned poorly for the mounting holes and forgot to cut one of the strap holes. The result came out great.
REV3 used a 3/4" (20mm) strap

I shaped the Kydex brace around a cardboard tube with a heat gun but took several passes and distorted the plastic. The plastic was forgiving, but I will always see the blemishes. I recorded a video of me twisting my arm and demonstrating the brace.
(0:11) Demonstrating REV3.1 brace

I drafted some wood pieces to protect the electronics and make it look more finished. The top and bottom will clamp onto the heat sink, and I will sandwich the USB port between two pieces of wood.
Drafting holder for the electronics

The rest of the summary posts have been arranged by date.
First time here?

Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8
Completed projects from year 9
Completed projects from year 10

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