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Should you go with SLA or FDM?

In the latest blog by Fixie 3D, the key differences between these two popular 3D printing technologies are broken down specifically for architectural applications — not just general manufacturing.

🔍 SLA (Stereolithography) • Exceptional surface smoothness • High detail accuracy • Perfect for intricate façades, window frames, and presentation-ready components • Ideal for client-facing display models

However, SLA typically involves higher material costs and longer production times.

🔧 FDM (Fused Deposition Modeling) • Cost-effective and scalable • Faster for larger structural components • Suitable for massing studies and early-stage prototypes

But when it comes to ultra-fine detailing, FDM may require post-processing to achieve presentation quality.

For architecture firms, developers, and model studios, the decision isn’t about which technology is “better” — it’s about which one aligns with your project goals, timeline, and presentation standards.

In many cases, a hybrid strategy delivers the best results: SLA for fine-detail elements and complementary fabrication methods for larger structures.

If you’re planning your next architectural model, this guide provides practical insight to help you choose wisely.

Whether you’re an architect, designer, or developer, high-quality scale models make all the difference in presentations and approvals. Fixie3D combines advanced 3D printing with expert craftsmanship to deliver precise, detailed architectural and product models that truly stand out.

✨ Perfect for: • Architectural presentations • Client & investor showcases • Planning submissions • Urban design & concept models

From concept to completion, Fixie3D helps you showcase your vision with confidence.

Fixie 3D seamlessly merges advanced 3D printing with traditional model-making craftsmanship, offering London-based architects and designers a precision-driven, end-to-end service that transforms digital concepts into physical reality.

Step 1: File Preparation and Consultation

Clients begin by uploading their 3D model files (STL, OBJ, or FBX) via Fixie 3D’s secure online portal. The technical team reviews each design to ensure print readiness, providing expert guidance on resin selection — whether for high durability, translucency, or aesthetic finishes — ensuring the best results for the project’s intent.

Step 2: SLA Printing at Scale

Fixie 3D employs large-format SLA printers (750 × 750 × 550 mm) that deliver high-resolution, accurate prints with the capability to handle multi-part assemblies. This stage captures intricate architectural features, from window mullions to organic façade curves, all rendered with unparalleled precision and smoothness.

Step 3: Hand Assembly and Finishing

Once printed, skilled modelmakers step in. They meticulously remove supports, sand, and paint surfaces, ensuring a flawless finish aligned with the client’s project palette. Each piece is assembled, glued, and often mounted on CNC-cut wooden bases, producing a sophisticated mixed-media presentation.

Step 4: Quality Control and Delivery

Every model undergoes a rigorous inspection to verify dimensional accuracy, paint uniformity, and structural integrity. Once approved, Fixie 3D ensures secure packaging and swift delivery across the UK or internationally—so every model arrives ready for presentation.

Fixie 3D’s combined approach bridges innovation and craftsmanship—empowering architects and designers to visualize, refine, and present their ideas with tangible precision.

In an age dominated by digital renderings and VR walkthroughs, there’s still nothing quite like holding a physical architectural model in your hands.

Architect Paul Treacy shares how tangible models bring ideas to life — transforming abstract concepts into experiences that clients, stakeholders, and communities can truly feel.

From early design exploration to competition-winning presentations, architectural models remain one of the most powerful storytelling tools in the creative process.

At Fixie, model-making isn’t just fabrication — it’s collaboration. Each model is a dialogue between architect and maker, where precision meets imagination.

At Fixie 3D, we take pride in delivering precision and reliability through our expertise in file preparation for architectural 3D printing. Our team specialises in transforming aerial 3D data into airtight, error-free digital files that are fully optimised for 3D printing.

Every model we prepare is structurally robust, ensuring it can withstand the rigors of the 3D printing process. We go the extra mile by meticulously checking that every component fits together perfectly, allowing architects to confidently present their proposed developments in a tangible, detailed, and professional format.

The architectural 3D printed plug model is more than just a representation—it is a tribute to precision, collaboration, and innovation. By ensuring accuracy at every stage, Fixie 3D helps architects bring their visions to life with clarity, detail, and confidence.

With our commitment to digital integrity, structural soundness, and flawless assembly, Fixie 3D continues to be the trusted partner for architects seeking to make their designs stand out in the real world.

At Fixie 3D, we take pride in delivering precision and reliability through our expertise in file preparation for architectural 3D printing. Our team specialises in transforming aerial 3D data into airtight, error-free digital files that are fully optimised for 3D printing.

Every model we prepare is structurally robust, ensuring it can withstand the rigors of the 3D printing process. We go the extra mile by meticulously checking that every component fits together perfectly, allowing architects to confidently present their proposed developments in a tangible, detailed, and professional format.

The architectural 3D printed plug model is more than just a representation—it is a tribute to precision, collaboration, and innovation. By ensuring accuracy at every stage, Fixie 3D helps architects bring their visions to life with clarity, detail, and confidence.

With our commitment to digital integrity, structural soundness, and flawless assembly, Fixie 3D continues to be the trusted partner for architects seeking to make their designs stand out in the real world.