Ideas on solar cell calibration and connection

Previously we have : https://arxiv.org/pdf/1909.13346.pdf

Initial assessment of monocrystalline
silicon solar cells as large-area
sensors for precise flux calibration paper 

Improvements to be made: 

a.

b.

c.

Chris tried the silver epoxy wasn't healing properly with oven 

CNS suggested wire bonding 

1. replace the plastic holder design with a different design 
   previously we have 
   
   
   
2. considering this option
   
3. Chris also suggested, "mount a conductor on the Aluminum plate to which the solar cell is glued, and run the wire bonds inwards. That would require, however, making a wire bond with a delta-z of 0.2 inch or so"
   Inquired via email.
   
   
4. Is 3D printing of plastic parts an option? heard seas have free 3D printers?