Usin' me 3D printer, I printed t' nose cone and fin can from a file on Thingiverse (https://www.thingiverse.com/thing:2840419).

Added:

• Keelhaul®©™ thread shock cord
• 12" Parachute

No motor retainer so t' motor needed some maskin' tape on t' backend t' keep it in place.

Note: On t' maiden flight, t' fin can deformed due t' motor heat. You may need t' extend t' motor 1.5 cm from t' end t' reduce meltin' or print in ABS/PETG.