The work continues.

Next up was the mountingholes on the underside of the rods. Drilled and taped with M4.

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This is how i solved the issue with the mounting holes on the corner pieces ending up on an edge making it impossible to drill with a normal drill. Had to countersunk the hole (left)with a normal endmill before I could use the drill.

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I had to moddify the screws a bit since they were a little bit to long and this was faster than hunting for new ones.

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TADA

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Next up is the sanding proceedure. To have some guidens while sanding I painted the whole piece with a black permanent marker pen. The desired radius is the smallest one, the one that is created by the inner/lowest corners in each step. When sanding, the black marker paint will stay in these corners and create black lines that get smaller and smaller the further you sand. When the lines dissapear, you have the correct radius. It's pretty hard to see from this angle with all the reflection but all the rods are pinted black

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This is just a test sanding and I started sanding using a vibrating mous or whatever you wanna call them. The process is kind of slow and I suppose a file would have been a greate beginning, but I didn't have one at the moment. Will try that next time.

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Here you can see the black lines are getting thinner and thinner the closer you get to the finished shape.

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This last photo shows why I have waited to cut the rods to the exact length. You always get some kind of chamfer on the edges when sanding. By cutting the exact length after the sanding I will have straight edges aswell.

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Still a lot of sanding to do but, I guess you get the idea.
Thanks for watching :thumb: