Preferred label

Triangle format        

Alternative label

Triangle-shaped letterpacket; Triangle letterpacket; 3T        

Scope note

A letterpacket with three distinct edges.        

Parent concept

Letterlocking format        

uh-linked-data/concept/295        

Related concept       

Letterlocking category        

uh-linked-data/concept/225

The Arts & Architecture ThesaurusⓇ Online, The Getty Research Institute. Concept uri

Not in AAT

The Language of Bindings Thesaurus (LoB) Concept uri

Not in LoB

Scope note source reference

Source

Jana Dambrogio, Daniel Starza Smith, and the Unlocking History Research Group. Letterlocking, The Hidden History of the Letter. Cambridge and London: MIT Press, 2025.

Unlocking History Concept uri

uh-linked-data/concept/555