Tutorial by Gabriele Scibilia:
The following 10 steps show how obtain a scallop sea-shell (or something similar to it!):
- Add axis
- Add lines like this (use front view):
z
__ ... | ... __
.__| |__| +---x |__| |__.
-130 .... 0 .... 130
- Invoke the extrude req:
to length 200
scale x 0.5
sections 10
- Add a primitive tube: radius 120
- Scale down the tube: 70% only y (shift-y)
- Adjust the tube position to cut the extruded shape like this:
_________
/ \
/\ /\ top view
/__\_______/__\
| |
cutted cutted
- Select extruded shape then tube and slice them
- Delete resulting objs except the 2 'planes'
('planes' should be part.2 and part.3):
_________
part.2 /---------\
and this top view
_________
/ \
part.3 / \
\_ _/
---------
- Select first part.2 and then part.3, join them
- Invoke mold req and conform to sphere:
sphere radius 100
object radius 320
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