"The Who" carbon fiber guqin, part 2

 "The Who" carbon fiber guqin, 3d printed version.

2nd generation carbon fiber guqin using 3d printed embryo (research creation begun in 2011)

Annealment with salt

Results: 

45mn overcooked, burnt (smells burnt) 30mn still overcooked, burnt 20mn max!  because the walls of the qin is v v thin .8mm or less.  (Less than 1mm)

Sections have been hollowed and filled w lacquer and deer horn powder.

Prebaked pla bronze, hollowed thin walls 

typical wall, section, face, pre baked