Parallel guide
thingiverse
Use rulers width from 32 mm to 19mm. Insert the ruler into the slot and fix. Align the flat surface to straight edge ( Eg. Table side ) then adjust ruler to require length that will parallel with the straight edge, Draw while slide the parallel guide, You can also mark 45 degree lines. Include fusion 360 files just in case you want to modify it.
Download Model from thingiverse
With this file you will be able to print Parallel guide with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Parallel guide .