This mod will no longer receive updates. This exact functionality was added to SDV in version 1.4, so the mod is no longer needed. The code probably won't compile without fixes.
See This link for the NexusMods mod page, which has a description, screenshots, and a download of the built mod.
It adds a new Blueprint to the wizard's item list, and then associates a texture with that Blueprint. Instances of the vanilla building are replaced with my own instance that warps to the right place when the building is created, and it is saved to its own json file to avoid save file issues.