Make a Solid from Weaverbird’s Mesh Thicken Output

I’m working on a design in Grasshopper where I start with a Brep, convert it to a mesh, and then use Weaverbird’s Mesh Thicken to create two separate mesh layers (inner and outer). However, the result is a hollow shell — it’s not a solid or watertight mesh.

I would like to convert this two-layer mesh into a true solid mesh, meaning I want to connect or cap the space between the inner and outer meshes so it can be used for solid operations or 3D printing. when I import its stl file it shows separate layers which does not look good. please give me help to fox it.

Darp_Mesh.gh (22.8 KB)

I found this is a good and closed mesh after I baked it to Rhino and checked it with MeshRepair,

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after I baked it and get stl file it shows 2 separate layers, I want to have solid shape between these layers. you mean in printing it will be solid by what Mesh repair said.


Please check the model dimension, I created a Rhino doucment based on the “Small Objects - Inches.3dm” template and bake the mesh object from GH to Rhino, then evaluate the pre-processing situation for the STL output for FDM 3D printing with a 0.4mm nozzle,

thanks for your answer, I don’t use “FDM 3D printing”, I want to print this object by clay printer. as I sent the pre-print screenshot it will be printed with two separate layer, if it has been printed as solid object it would be better, maybe I will print it in small scale first.