Invoice Template for Spline 3D Designers
Spline design is a new enough medium that clients often have no reference point for pricing, which is both an opportunity and a challenge. My biggest billing problem is scoping interactive 3D web exports — clients expect a fully embedded, mobile-optimised 3D hero that performs perfectly, but scoping performance constraints is hard upfront. The second challenge is revision cost after an animation is already built.
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What to include on your invoice
Spline designers bill across design, interaction, and delivery phases. 3D Scene Design covers modelling and texturing objects within Spline's browser-based editor, arranging scenes for web embed with camera angles defined. Interactive Animation refers to building state-based animations and scroll or hover interactions using Spline's event system. Web Embed Integration covers exporting the Spline scene via iframe or the Spline viewer npm package and integrating it into the client's website or React/Next.js codebase. Performance Optimisation captures reducing polygon count and texture size so the scene loads in under 3 seconds on mobile — a distinct technical service. Design Iteration covers reworking scene elements, lighting, or animations after the client has reviewed the first interactive version.
How to price your work
Spline designers price on project scope. A simple interactive 3D hero for a website runs $500–$2,000. Complex multi-scene interactive experiences with scroll animations cost $2,000–$8,000. Hourly rates ($60–$130/hr) suit iteration or consultation work. Clients with ongoing product landing page needs can be moved to monthly retainers for 3D scene updates. Always quote web integration separately from scene design — both require distinct skills.
Getting paid faster
Spline clients are almost always early-stage SaaS companies or design-forward agencies who respond to speed and professionalism. Send your invoice with a preview link of the embedded 3D scene — let them see the work first, then pay. Milestone your payment around scene completion and integration completion. Offer a retainer for 'monthly 3D updates' to any client who loves the result — it's recurring revenue for work you've already scoped.
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