Minecraft Map to OpenSpades Map

Download Mineways to load your Minecraft map and transform into a .obj 3D Model , then go to Online Voxelizer there load your map .obj to transform into a voxel model .kvx then put your .kvx model into a basemap that you can create following this tutorial Create a Map OpenSpades Tutorial

Keep in mind that the maximum height of a map is 64 voxels.