If you don't have flexible filament, you can use regular PLA instead, with a few extra steps. To curve the letterforms, dip in just-off-the-boil water for a few seconds, then lay the part on your hat.

Keep in mind that parts heat unevenly, and don't expect to get more than a general curve out of this step. This is not a precise process. =D

You may also have to drill out the sew holes with a small bit and rotary tool to enable the needles to pass through.

This guide was first published on Mar 04, 2015. It was last updated on Mar 04, 2015.

This page (Extra Steps for PLA) was last updated on Mar 04, 2015.

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