| Feature | RapCAD | OpenSCAD | ImplicitCAD |
|---|---|---|---|
OpenCSG Rendering |
No |
Yes |
No |
CGAL Rendering |
Yes |
Yes |
No |
Marching Squares Rendering |
No |
No |
Yes |
Raytracing |
No |
No |
Yes |
Variables |
Yes |
Immutable |
Yes |
Constants |
Yes |
No |
No |
Parametric Variables |
Yes |
No |
No |
Inline User Functions |
Yes |
Yes |
Yes |
Imperative User Functions |
Yes |
No |
No |
Nested User Modules |
Yes |
Yes |
Yes |
Assignment inside for |
Yes |
No |
Yes |
Assignment inside if |
Yes |
No |
Yes |
Assignement inside instance |
Yes |
No |
Yes |
Assign module |
No |
Yes |
No |
QA Test framework |
Yes |
Yes |
No |
Polyset Caching |
No |
Yes |
No |
CGAL Caching |
No |
Yes |
No |
Implied Unions |
Yes |
Yes |
No |
Minkowski 2D only |
No |
Yes |
No |
Minkowski 3D only |
Yes |
Yes |
No |
Minkowski mixed 2D/3D |
Yes |
No |
No |
Hull 2D only |
Yes |
Yes |
No |
Hull 3D only |
Yes |
Yes |
No |
Hull mixed 2D/3D |
Yes |
No |
No |
Rounded Unions |
No |
No |
Yes |
Function Based Extrude |
No |
No |
Yes |
Conical Extrude |
No |
Yes |
No |
Syntax Highlighting |
Yes |
Yes |
Yes |
Line Numbering |
Yes |
No |
Yes |
Auto Indentation |
No |
No |
Yes |
Save/Restore Default View |
Yes |
No |
No |
Multiple Files/Tabs |
Yes |
No |
No |
External File Change monitoring |
No |
Yes |
No |
DXF Import |
No |
Yes |
No |
STL Import |
Yes |
Yes |
No |
OFF Import |
Yes |
Yes |
No |
AMF Import |
No |
No |
No |
STL Export |
Yes |
Yes |
Yes |
AMF Export |
Yes |
No |
No |
OFF Export |
Yes |
Yes |
No |
DXF Export |
No |
Yes |
No |
PNG Export |
Yes |
Yes |
Yes |
OBJ Export |
No |
No |
Yes |
SVG Export |
No |
No |
Yes |
Lazer Cutter GCODE Export |
No |
No |
Yes |
3D Printer GCODE Export |
Planned |
No |
No |
Cube |
Yes |
Yes |
Yes |
Sphere |
Yes |
Yes |
Yes |
Cylinder |
Yes |
Yes |
Yes |
Cone |
Yes |
No |
No |
Prism (with optional apothem) |
Yes |
No |
No |
Prism (via $fn=sides) |
Yes |
Yes |
Yes |
Polyhedron |
Yes |
Yes |
No |
Square |
Yes |
Yes |
Yes |
Circle |
Yes |
Yes |
Yes |
Polygon |
Yes |
Yes |
No |
Polyline |
Yes |
No |
No |
Point |
Yes |
No |
No |
Bezier Surface |
Yes |
No |
No |
Cylinder Surface |
Yes |
No |
No |
Echo |
Yes |
Yes |
Yes |
Child |
Yes |
Yes |
Yes |
Bounds |
Yes |
No |
No |
Resize |
Yes |
No |
No |
Center |
Yes |
No |
No |
Union |
Yes |
Yes |
Yes |
Group |
Yes |
Yes |
No |
Difference |
Yes |
Yes |
Yes |
Symmetric_Difference |
Yes |
No |
No |
Intersection |
Yes |
Yes |
Yes |
Minkowski |
Yes |
Yes |
No |
Glide |
Yes |
No |
No |
Hull |
Yes |
Yes |
No |
Subdivision |
No |
No |
No |
Linear_Extrude |
Yes |
Yes |
Yes |
Rotate_Extrude |
Yes |
Yes |
Yes |
Mirror |
Yes |
Yes |
No |
Offset |
Yes |
No |
No |
Rotate |
Yes |
Yes |
Yes |
Scale |
Yes |
Yes |
Yes |
Shear |
Yes |
No |
No |
Translate |
Yes |
Yes |
Yes |
Slice |
Yes |
No |
No |
Surface |
No |
Yes |
No |
Projection |
Yes |
Yes |
No |
Render |
No |
Yes |
No |
Pack |
No |
No |
Yes |
Shell |
No |
No |
Yes |
abs |
Yes |
Yes |
Yes |
acos |
Yes |
Yes |
Yes |
asin |
Yes |
Yes |
Yes |
atan2 |
Yes |
Yes |
Yes |
atan |
Yes |
Yes |
Yes |
ceil |
Yes |
Yes |
Yes |
concat |
No |
Yes |
No |
cos |
Yes |
Yes |
Yes |
cosh |
Yes |
No |
Yes |
exp |
Yes |
Yes |
Yes |
floor |
Yes |
Yes |
Yes |
ln |
Yes |
Yes |
Yes |
len |
Yes |
Yes |
Yes |
log |
Yes |
Yes |
Yes |
lookup |
No |
Yes |
No |
max |
Yes |
Yes |
Yes |
min |
Yes |
Yes |
Yes |
pow |
Yes |
Yes |
Yes |
rands |
Yes |
Yes |
No |
round |
Yes |
Yes |
Yes |
sign |
Yes |
Yes |
Yes |
sin |
Yes |
Yes |
Yes |
sinh |
Yes |
No |
Yes |
sqrt |
Yes |
Yes |
Yes |
str |
Yes |
Yes |
Yes |
sum |
Yes |
No |
No |
search |
No |
Yes |
No |
tan |
Yes |
Yes |
Yes |
tanh |
Yes |
No |
Yes |
version |
Yes |
Yes |
No |
version_num |
No |
Yes |
No |