Step 1

Repeat the Basic Cutting in 3-Different Woods's steps

Plastic:

it requires 45% Strength

Steel:

it requires 45% Strength

Acril:

it requires 65% Strength (45% is too weak)

Foam:

it requires 25% Strength (45% is too strong)

Leather:

it requires 45% Strength

Glass:

it requires 25% Strength