OpenBlocks - Dwarven Halls Base

#### Dungeon Blocks compatible base, based on OpenForge Dwarven Halls design

Part of the [OpenBlocks - Dwarven Halls Series](https://www.thingiverse.com/mannolitto/collections/42779825/things)

Instructions:
- use as base for separatly printed or self-constructed [Dwarven Halls blocks](https://www.thingiverse.com/mannolitto/collections/42779825/things)

Print Settings:
- nozzle: 0.4 mm
- layers: 0.10 or 0.20 mm
- infill: 15%
- supports: no
- brim: not needed for low base, recommended for high base

Remixed from Devon Jones' fantastic [OpenForge library](https://www.thingiverse.com/tag:openforge2)