05-19-2018, 01:06 PM
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Craftsman
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Join Date: Aug 2011
Location: Washougal Washington
Posts: 375
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I had made my cones with ABS. Before sanding, I cover them with filler primer. Mainly, because I wasn't sure if the proper outside edge of the cone was the outer edge of ridge, the inner edge of the ridge, or somewhere in between. And, it results in less sanding.
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