I love F1 and have created this iron-on transfer.

The car silhouette is created using all the F1 tracks and can be ironed on to a t-shirt. You can scale the design to suit your garment.

Print in PLA at 0.28mm layer height with your wall generator set to Arachne. When completed gently peel the transfer off the bed.

Place the garment onto an ironing board with a piece of baking paper (parchment paper) underneath the area you plan to add the design to. Position the design on the garment and cover with another sheet of baking paper. Slowly run the iron over the baking paper at a hot temp until you see the transfer stick to the garment.