3V sphere
tutorial
basic
advanced
construction
schematic
top
bottom
vertices
side
side (unwrap)
view
preview
paged
spread
print
layers
8
7
6♭
5
4
3
2
1
‹
›
«
»
stage
8
7
6♭
5
4
3
2
1
all
+½
electronics stage lag
none
1
2
3
fineness
230
level markers
greyscale
highlight last stage
thick struts
front aux
none
data
both
padded struts
lower supports
benches
level labels
panels:
halo
haircut
hairband
none
3
5
7
9
11
13
15
17
19
21
23
25
27
30
electronics