Orthotics You Can Make, Part II: Padded InsolesStep 1: Materials and Tools Needed. ... Step 2: Make a Pattern Out of Stiff Cardboard. ... Step 3: Mark Insoles to Be Cut Out of High Density Foam Rubber. ... Step 4: Cut Out Blank As Shown. ... Step 5: Make Jig to Cut Insoles to Thickness Wanted. ... Step 6: Use a Hacksaw to Cut Insoles.