I believe there is somewhere a plug who convert Construction lines in real lines 
for some fun exploration 
OK this is Lines Converter by Rick Wilson
Conctruction Lines <--> Lines 
Projection by Didier Bur, Random Painter By Chris Fullmer
ℹ️ Licensed Extensions | FredoBatch, ElevationProfile, FredoSketch, LayOps, MatSim and Pic2Shape will require license from Sept 1st More Info
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RE: [Plugin] FredoTools::ConstructFaceNormal - v1.3a - 20 Jul 11
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RE: Alphabet to sketch(up)
Maybe today but in 10 years ?
if the planet is still alive!