Am I ready to create my own tarot deck?

I can't stamp "ready" on this — but the draw puts what's missing in closure, not in skill.

The three-card spread (past / present / future)

• Past — Eight of Pentacles, upright: the craft years are real. Repetition, study, drawing the same motifs until your hand knows them. Whatever else this question is, the "do I know the material" half is already answered yes.
• Present — The World, reversed: a Major in the middle seat, so this is a structural question, not a scheduling one. Reversed World is an unfinished cycle — something that was meant to be complete and isn't. Read plainly: what's on your desk is a project, not a deck.
• Future — King of Swords, reversed: the court card here is a posture, not a person. Reversed King of Swords is the mind working at cross-purposes — sharp, but arguing instead of seeing; deciding readiness by argument rather than by what exists.

Two reversals out of three, so the pressure is internal and about process, not a warning about the project. And the World-plus-King pairing is the real tension: the whole question is material (images, paper, a physical 78) set against an argument you keep having with yourself about it.

The conditional

If you lay out what exists tonight and there is a set you could put in someone's hands — even a rough one — then the reversed World is a cycle in its last stretch, and the next step is finishing, not proving anything. If what comes back is a page of plans and intentions and nothing anyone else could hold, then reversed World is the first-draft loop, and the reversed King is the warning that the next move you will want is to talk yourself into readiness instead of drawing the card that settles it.

The step, inside 48 hours

Put your most-finished work face up in one row and the unfinished pieces face down in another, and count only the first row. That number is the real answer to your question — the cards cannot give it to you, and neither can another opinion.