Although most of the calculations that are needed to create your own blocks are fairly basic arithmetic, you may need to use a calculator, especially if you need to convert inches to cm, or visa versa.

Note: Bocks sold on this website

The instructions and information on this website are given in inches rather than cms (even though I am Australian). The blocks sold on this website have also been created in inches.  To convert to cm, multiply by 2.54.

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