AutoCAD
DXF R12 (plan) opens directly; for DWG use DXFIN or Save in AutoCAD.
SketchUp
SketchUp cannot run inside a website. Instead, your model downloads in formats SketchUp opens.
Other software
DXF R12 (plan) opens directly; for DWG use DXFIN or Save in AutoCAD.
Link the DXF via Insert › Link CAD; for 3D use .dae → SketchUp → .skp → import into Revit.
.dae or .glb import directly; 4K renders and video are produced in these apps (no render server is connected on the site).
.obj can be imported; use the DXF as a plan underlay.
Use the design-studio brief JSON and aluminium take-off CSV for the window/door list; the LogiKal API is not connected.
Let us work with you from the first requirements discussion through development and delivery.