print out the font you want and place wax paper over it. Trace letters with puffy paint, let dry, then use modpodge to secure letters to canvas, etc.
Don't get hand-cramps from writing all of your thank-you notes! Why not convert your handwriting into a font?! It costs about $10, but I'm filing this away for future reference... This would be really cool! :)
Custom Calligraphy Return Address Stamp Mixed by AngeliqueInk
30 Days to Better Hand-Lettering: Hand-Lettering For Beginners — Made Vibrant