cosplay
shapes

Round

  • Cylinder
  • Cone
  • Truncated cone
  • Dome
  • Sphere

Flat-sided

  • Box
  • Pyramid
  • Prism

Free. Prints at 100%.

Size

Example: helmet crown
cm
cm

More gores make a rounder dome with more seams.

Material

EVA foam
mm
Gore length
15.4 cm
Widest point
7.7 cm
Width at the base
7.7 cm

Cut edges butt together and are glued with contact cement.

Gores join edge to edge. Line up the middle notches before gluing towards the tips.

Dome

Gore length 15.4 cm · Widest point 7.7 cm

Flat pattern

  • Cut line
  • Alignment notch
  • Base circumference
  • 1 cm grid

1 piece on 1 A4 page + a scale guide page