Shaped rock

Creation

 * 1) Right click on Stonemason's workplace.
 * 2) Go to 'Materials preparation'.
 * 3) Add 20-500 rock to Stonemason's workplace.
 * 4) Select 'Shape'.

Warning: the formula for quality is incorrect. The quality of pickaxe matters much more than 5%, the correct formula is unknown.

Formula seems to be Pickaxe 20%, Stonemason 10%, Skill 20% and Rock 50%. Proof in progress

YO Only

 * 1) Right click on a pick
 * 2) Select "Shape Stones"

Formstein Pierre de taille Тёсаный камень