- Printer by Ajay Singh, April 2, 2019. Completely independent without contacting authors. Review: Thank you. I was trying to develop a core xy printer in start but then my friend told me about D3D and I liked the creativeness to use same mechanism everywhere and I thought that it can be really helpfull in developing printer of various sizes witout much hassle. It was really a unique solution to me. I admire your work and your support.