Carbone da tracciatura
Charcoal used on marble as a temporary dark marking surface so compass points and reference marks can be seen clearly during point transfer.
Tools
Macchinetta del Giannoni
A named Pietrasanta workshop apparatus associated with Renzo Giannoni, preserved in the oral technical vocabulary recorded by Le voci del marmo.
Meccanizzazione delle tecniche scultoree
The introduction of powered, mechanical, and later digitally controlled systems into stages of sculpture once performed entirely by hand.
Raspa
A double-ended hand rasp with forged profiles used to smooth, refine, and delicately shape marble after chisel work.
Riga
A straightedge of wood or metal used to measure and mark straight reference lines on a marble block.
Squadra
An L-shaped square essential for preparing a stone block and checking true right angles.
Mazza
A heavy long-handled hammer used to drive wedges and perform forceful splitting and rough stonework.
Mazzetta
A compact block-like hammer of hardened steel used to drive point chisels, scapezzatori, wedges, and related heavy stone-carving tools.
Pantografo a palpatore
A mechanically guided reproducing machine that follows a full-scale model with a sensing point while a corresponding cutter removes marble.
Punta widia
A spiral drill bit tipped with tungsten-carbide hard metal, selected according to the type of stone being drilled.