Millinery Hat Block - Fedora

by dfisher1342, published

Millinery Hat Block - Fedora by dfisher1342 Jan 27, 2013



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This is a millinery hat block, the foundation for all hand made hats. After it is printed out, a velour hat body would be steamed and stretched over it, and left to dry. Once removed, it will keep the shape of the block.

Made some recent edits to separate the brim and crown blocks onto a single printable surface and added a top piece which reinforces the depression on top of the hat.


This is my first attempt at OpenSCAD, and I haven't been able to get a MakerBot yet. So I am unsure as to the results of actually blocking a hat on this block. I am 100% open to your critiques and suggestions to improve.

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Hi David, What is that $Fn parameter requested by Customizer?

Basically controls the resolution of the surface. The higher the number, the smoother the curves. From the OpenSCAD manual:

The $fa, $fs and $fn special variables control the number of facets used to generate an arc. When $fn has a value greater than zero, a full circle is rendered using this number of fragments.


Thanks David, The crown and brim blocks make sense to me, but please excuse my ignorance, what is the third block, and how is it used? BTW, I'll be using this to re-block my Panama, since I got caught in the rain yesterday.

No problem! The third piece flips upside down and is a perfect match with the top of the crown. It will push down and make a nice indentation, otherwise when stretching fabric, it would just pull straight across the top. The extended pieces on either side are so you can tie it down tight with a rope without leaving rope lines on the sides of the crown.

That makes perfect sense, and that addresses one of the problems that I have had with the glorified cardboard block that came with the hat.