Thanks to Ryan and the folks on this forum I’m finished with drawing crowns and moving to actually carving. I’ve been looking but cannot seem to find HD foam mentioned in the instructions. Are there other names for it? I have Lowe’s, Home Depot, michaels, Joanne’s, pretty much everything near me but don’t see anything called hd foam on their sites. Any other names to try?
Lowes and Home Depot have rigid board insulation it is either blue or pink in color and that works well for this purpose.
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For keywords, look for eXtruded Polystyrene a.k.a. XPS.
Owens corning calls it Foamular, which is pink, at Home Depot.
Dow calls it Styrofoam, which is blue, at Lowes. The name is confusing on this, since what most people call styrofoam is expanded polystyrene, which has the little grains like you see in packing materials, coffee cups, etc. Extruded has an even internal texture.