Cut-up Checkerboard

Puzzle description:
This checkerboard dissection puzzle was first published 1946 by E.M. Wyatt in his book Wonders in Wood. Put the 14 one-sided pieces together to form a 8x8 square with correct checkerboard pattern.
If you can read German: Mehr Informationen gibt es in https://welt-der-geduldspiele.blogspot.com/search?q=3D-Druck

Puzzle difficulty:
This puzzle is of medium difficulty compared to other chexerboard dissection puzzles. There are more than 200 solutions.

Printing instructions:
The main color (usually black) is used for the pieces and half of the caps. A second color is needed for half of the caps for the checkerboard pattern. The caps can easily be snapped onto the pieces.
For the 14 pieces you need
* 2 copies of the part N5M (mirrored) and Z5, printed in the main color;
* 1 copy of the remaining ten parts L4, L4M, L5, L5M, T4, V3, W5, Y5, Y5M, and Z4M, printed in the main color;
* 32 caps printed in the main color,
* 32 caps printed in the second color.