3D Systems ($DDD) vs. Flyte Aviation ($VJET): Contrasting Paths in 3D Technology DDD (3D Systems) is an established additive manufacturing company with a market capitalization near $600 million and improving, near-breakeven profitability. VJET is the newly adopted ticker for Flyte Aviation, a micro-cap that recently pivoted from cardiac medical devices into private regional aviation and completed a reverse stock split. The two companies differ sharply in scale, business model, financial stability, and risk profile, despite both operating around three-dimensional technology and hardware. 3D Systems has shown broad-based momentum in healthcare and aerospace, while Flyte Aviation is in the early stages of a capital-intensive strategic transformation. Relative performance diverges widely, with DDD posting strong year-to-date gains and VJET trading near its lows ahead of a corporate restructuring.