Use Printable Heat Transfer for dark fabrics on darker fabric surfaces. Print an image and cut out around the contour using the Silhouette cutting machine's Print & Cut feature. You can then iron your custom image onto a fabric surface, such as a t-shirt.
Silhouette Printable Heat Transfer Material for Dark Fabrics
siser ink - Swing Design
EasyColor DTV Printable HTV
hot peel transfer - Swing Design
1 Sheet Jet-opaque Inkjet Transfer Paper Printable Heat Transfer Vinyl Printable HTV 8.5x11 Sheets for Dark Fabric
Printable Heat Transfer Vinyl (HTV)
Printable Vinyl Heat Transfer
StarCraft Inkjet Printable Heat Transfers for Dark Materials - Heat Transfer Vinyl and Shirt Supplies- Primepick
StarCraft Inkjet Printable Heat Transfers for Dark Materials - Heat Transfer Vinyl and Shirt Supplies- Primepick
StarCraft Inkjet Printable Heat Transfer (HTV) 10