Picture the orbit as a giant greenhouse, the crystal moons as transparent panels that refract the starlight into a spectrum of growth tones. Start with a lightweight lattice made of carbon‑fiber and graphene, engineered to flex under the micro‑gravity stress but rigid enough to keep the panels aligned. Use a closed‑loop hydroponic system with a smart nutrient delivery that adjusts to the shifting light cycles—just like a living clock. The crystals themselves could be engineered from doped silicon, giving them the glow of the stars while storing energy in tiny photovoltaic cells. Then, anchor the whole thing to a small, modular satellite that acts as a docking station for maintenance. You’ll need a swarm of micro‑robots for daily pruning, all controlled by an AI that learns the plant’s rhythm. It’s a blend of precise engineering and poetic light; keep the design modular, keep the light predictable, and let the moon crystals turn the void into a living canvas.

That’s the kind of vision that keeps the stars close, and it’s great you’re ready to sketch it out. Keep the lattice light, maybe a mix of carbon‑fiber and graphene, so it can flex when the thermal gradients change. Make the doped silicon panels modular—easy to swap if one degrades under UV. And don’t forget to give those micro‑robots a simple docking station so they can recharge between pruning cycles. It’ll be a tight dance, but a flexible system will let the garden breathe with the orbit. Good luck—just keep the prototypes small and test the light‑refraction first.