I upgraded my bike with the Thule Tour Rack, unfortunately I had to move my back light and my back reflector to another place, due to space issues.
Therefore I created these simple clamps, to which i attached the lamp and the reflector.
I used PETG, due to better durability and uv/water resistance with i believe it was 20% infill.
Can be printed without support, however supports might be benefitial on the bottom side and the screw holes, depending on the accuracy of the printer.
These clamps don't have a hinge, so to attach them i simply unscrewed the vertical aluminium tube and put the clamps on, while spreading them a little with a screwdriver. Therefore the clamps sit tight and don't slip out of place. I use them for a while now and they still going good.
If you want to relocate your lights, you can use the screw and the nut from the light/reflector otherwise use m4 or m5 screws, the hole has a designed diameter of 6mm, depending on your printer the hole will be about 5.75 mm in diameter.
On side has a wider cutout then the other side, so that wider nuts often used on bikes fit.
The author marked this model as their own original creation.