Here we have a collection of items with the the Assembly Manuals and/or Instructions.
Colossus Storage
IKEA Kallax Compatible
TITAN Storage Modules
Modular Painting Station
Vertical Paint Storage
Dice Towers
Deck Holders & Discard Piles
Portable Paint Station with modular shelves and storage
Eldritch Horror Insert/Organizer
Vertical and wall mount brush Holders
War Trays and Tournament Trays