You assigned a thick pen weight to the fill lines. Fix: Go to Fill Manager , select the hatch, and change the Pen to a lighter one (e.g., Pen 90 for light gray, Pen 5 for thin dark lines). Never use Pen 1 (black) for dense hatches.
A common frustration is that slab hatches appear in Floor Plan but obscure the view in 3D. archicad hatch
But hatches can also be frustrating — until you understand how Archicad actually thinks about them. You assigned a thick pen weight to the fill lines
to a Surface and ensure "3D Vectorial Hatching" is enabled in view settings. Common Troubleshooting 25% Solid Fills in AutoCAD? - Graphisoft Community A common frustration is that slab hatches appear
While programs like AutoCAD are often cited for their general-purpose ease of use, Archicad’s specialized architectural tools offer more advanced control for professionals who need precision in their material representation.
✅ for construction documents. ✅ Keep a library of your custom .PAT files – don’t rely on a single project. ✅ Name hatches clearly – “Brick_Common_75x225” beats “Hatch1”. ✅ Assign hatches at the material level , not per element. ✅ Test at multiple scales – what works at 1:50 may fail at 1:200.