Update (2022-01-23) :
- Added "Blood and Bodies" objects
- Added "Circus" objects
- Added "Forest Treetop" objects
- Added "Furniture" objects
- Added "Halloween Monsters" objects
- Added "Harvest Horror" objects
- Added "Japanese Furniture" objects
- Added "Sea Monsters" objects

- Added "Wonderdraft Town & City" objects
- Added "Wonderdraft World Maps" objects

- Added "Basic Building" floors, walls and objects
- Added "Cloud Sky" floors and objects
- Added "Desert Map" floors and objects
- Added "Dungeon Room Builder" floors and objects
- Added "Fire Spell" objects
- Added "Forest Floor" floors and objects
- Added "Forest Fungi" objects
- Added "Krampus Encounter" placemat and objects
- Added "Lightning Spell" objects
- Added "Snowy Winter" objects

- Added "City Street" floor and objects
- Added "Castle Gate House" objects, including placemats
- Added "Lightning Rail Train" objects
- Added "Sewer" objects
- Added "Dungeon Rooms" floor texture
- Added "Dungeon Traps" objects
- Added "Castle Keep" objects
- Added "Castle Tower" objects
- Added "Grass" floor texture
- Added "Forest Clearing" placemats
- Added "Halloween Monsters" objects

Added some walls. Notice that the walls have been designed from images taken on 2minutetabletop.com. They might not fit perfectly.

update 3

update 2