Honeycomb
The honeycomb motif as in FVS-222 is an advanced design that step by step creates (helper) points by interpolating and the use of the fred function. It is a "Projected crossover" used in a way to get a perfect honeycomb pattern. Note that the actual cuttings angles are computed and adapt when the starting position changes due to e.g. optimization. GemCad allows designing (by using Shift-click) checkerboards but not more "free form" patterns like this one.
FSL Spec
set name "FVS-222 Honeycomb"
set ri 1.54
set gear 96
G1 5 @ 90 :size xx6
P1 5 @ [43.02] : cp
G2 0 @ 90 : ep(edge(G1:5, P1:5), 0.25)
P2 0 @ 41.3 : mp(G1,G2,P1)
P3 8 @ 40.9 : mp(G1,P1)
C1 5 @ 35 : mp(P3) + girdle
C2 0 @ 28.6 : mp(G2,G1,C1) at (4,45)
let p1 = mp(G2,G1,C2) at(4,45)
let p2 = mp(G2,G1,C2) at(10,45)
let p3 = fred(p1,p2, edge(C1:11, C1:5))
show p1 #6d4370
show p2 purple
show p3 #1eff00
C3 8 @ 25.04 : p3
let p4 = mp(G2,G1,C2) at (46,45)
show p4 red
let p_white = fred(p1, p4, edge(C2:0, C3:8))
show p_white white
let orange1 = mp(C1,C1,C3) at (88,45)
let orange2 =mp(C1,C1,C3) at (24,45)
show orange1 #9c3540
show orange2 #2b2417
let center = mp(C1,C1,C3) at (0,45)
show center #b6a486
let blue1 = mp(C3) at (0,5)
let green1 = fred(orange1, orange2, center, blue1)
C4 0 :green1 :p_white
T 0 @ 0 : ep(edge(C4:0,C4:16), 0.5)