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Proto Labs serves engineers, product developers and purchasing teams that need custom parts to test designs or supply production. Customers pay for the molds and parts they order. Computer-controlled machining, known as CNC machining, and injection molding generate most revenue; the company also offers 3D printing and sheet metal fabrication. Its work extends beyond prototypes to production parts and replacements for products no longer in regular production.
Customers conduct nearly all business online. They upload 3D design files, and Proto Labs’ software checks whether the parts can be manufactured and generates a price quote. Customers can adjust order details and see the price change before buying. Orders go to the company’s own factories or its manufacturing partners, whose capabilities expand the available materials, processes and delivery options.
Existing customers provide nearly all revenue, so repeat orders matter. The business depends on delivering parts quickly, to the customer’s specifications and at an acceptable price. Its fast-turnaround factory model also requires investment in equipment and capacity ahead of demand.
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Every company claims an edge. Each one is checked against hard numbers like margins and returns: which hold, and which line gives way first.
Proto Labs depends mainly on demand for custom CNC-machined and injection-molded parts, which together generated over 80% of its 2025 revenue, so these 3D-printing peers reflect only part of its business.
Stratasys competes with Proto Labs for customers paying for 3D-printed prototype and production parts, but it also sells printing systems and materials. Its printed-parts business is therefore the closer comparison for Proto Labs’ 3D-printing revenue, rather than its equipment sales.
3D Systems and Proto Labs both benefit when customers adopt 3D printing for product development and production, but customers pay 3D Systems for printers, materials and workflows, while they pay Proto Labs for printed parts. Watch 3D Systems’ progress helping customers move into production as a sign of adoption relevant to Proto Labs’ printed-parts business.
PROTO LABS, INC. earningsThis company
Proto Labs’ report will show whether larger custom orders are growing revenue while the company holds its margin after making and fulfilling them.
Compare changes in CNC machining and injection-molding revenue with gross margin. CNC growth alongside a stable or rising margin would suggest larger orders through Proto Labs’ factories and partner network are adding work without materially diluting the gross profit left after production. Revenue growth with a falling margin would point to higher costs to make or fulfill that work. The question is whether growth is strengthening the custom-manufacturing business, not just expanding sales.
3D Systems Corporation earningsDDD
3D Systems’ report will show whether customers are moving 3D printing from product development into production, a signal relevant to demand for Proto Labs’ printed parts.
Look for evidence that 3D Systems’ customers are moving into production; printer and materials sales are not the same as demand for Proto Labs’ parts. Clear progress would suggest 3D printing is moving beyond development into manufacturing, supporting the potential market for Proto Labs’ printed parts. Limited progress would suggest adoption may still be concentrated in development and prototyping. The takeaway is whether production use is broadening, not whether equipment sales are strong.
Stratasys Inc (ISRAEL) earningsSSYS
Stratasys’ report will show how demand for 3D-printed parts is changing in the business that competes most directly with Proto Labs.
Focus on Stratasys’ printed-parts business, not sales of printing systems or materials. Growth in parts would show customers buying more 3D-printed parts from service providers, while Stratasys may also be competing for some of Proto Labs’ orders. Weakness would point to softer demand in this directly competing market, though it would not by itself prove Proto Labs is weakening. The conclusion is whether the shared market for printed parts is expanding or softening.
