reset brick x 5 y 5 z 1.5 webcut Volume 1 offset_tool Surface 1 offset -0.25 merge webcut Volume 3 offset_tool Surface 2 offset -0.25 merge imprint all merge all volume all scheme Sweep sweep transform least squares volume all autosmooth target on fixed imprints off smart smooth off mesh volume all set uspline volume all degree 2 continuity 1 build uspline vol 5 as 1 build uspline vol 1 as 2 build uspline vol 3 as 3 fit uspline all