Hey Court;
if your canopy has an recessed line in the canopy frames then you could carefully scribe the line until you get it thin enough to cut with an Exacto knife and then position it open, I've done this on a number of 1/72 A/C but never on a kit in that scale, but anything is worth a try
Ugly Butt Effective Hawgs
Cuda
84 of 795 1/72 Aircraft Competed for Lackland's Airman Heritage Museum
Was a Hawg Jet Fixer, now I'm a FRED Fixer
'Cuda