I have always used this site
https://shooterscalculator.com/ballisti ... -chart.php to create my ballistics cards based on cartridge and variables, usually copy and paste to Excel, print, tape or laminate; not overly taxing but a pain nonetheless.
I recently purchased a Fiber Laser for metal engraving and some 0.8mm aluminum business cards, and put my 6.5CM chart on the card photo below. If you supplied me with your ballistics data or used the site to generate one, is this something anyone else would want, $5 + postage? Thanks for the feedback.