OpenBlocks - Cave Base

### Dungeon Blocks compatible cave base, based on OpenForge Dry Cave design

Part of the [OpenBlocks - Cave Series](https://www.thingiverse.com/mannolitto/collections/42855873/things)

Instructions:
- use as base for:
- separately printed [Cave blocks](https://www.thingiverse.com/mannolitto/collections/42855873/things)
- your own custom cave blocks

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)