Prismm Plan and Design

Handle every detail from pre-planning to the day of the event.

Design accurate professional floor plans, collaborate virtually in the cloud, and streamline your event planning and design. Say goodbye to scattered emails and shared PDFs with dynamic spatial design technology that keeps your team, clients, and vendors connected no matter where they are.

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Event design software for collaborative planning.

With over 3 million events created, Prismm Plan and Design helps streamline processes and communication with all stakeholders in a single source of truth workspace. Instantly share designs with a shareable link, provide feedback by commenting directly on layouts, and collaborate anytime with confidence, knowing every design is accurate and true to scale.

Design without any limitations.

Design beautiful layouts with over 150,000 venue floor plans and 10,000 ready-to-use objects at your fingertips. Can’t find a venue’s floor plan? No worries—send it to us, and you’ll be ready to design in a matter of days, not weeks.

Learn more about floor planning

Picture-perfect table settings.

Effortlessly design and customize tabletop settings in 2D, from dinnerware to linens to flower arrangements, and bring them to life in photorealistic 3D. Apply your design to a single table or across all with a click. Fast, flawless table settings at scale. Delicious!

Design table tops

Drama free seating assignments and guest lists.

Rest easy knowing your guest lists and seating assignments are spot-on and stress-free. Collaborate with others to perfect your seating assignments, ensuring everyone is in the right seat at the right place. Phew!

Manage guest lists

Collaborate all the time, anytime.

Eliminate the back-and-forth of the 25-thread email chain. Make changes in real-time and easily share your designs with customers, vendors, and your team anytime, anywhere, with a shareable link. If the venue you work with has 3D scans with Prismm, take collaboration to the next level with spatial commenting and dynamic 3D virtual tours of your event designs. Voilà!

Collaborate easily

Boost efficiency with automation.

Design floor plans faster than ever with automated tools that handle layout and spacing, saving you valuable time. Create and customize templates that reflect your unique style and save them for future use to maintain consistency across events. Quickly transform concepts into polished, professional designs, streamlining the entire process from vision to reality.

3D event diagramming

Reporting to align and keep on track.

Leverage guest data, RSVP details, and floor plan reports to seamlessly fulfill guest requests, create precise timelines on deliverables, and align inventory for flawless execution from planning to the day of execution.

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Why Choose Prismm?

We’ve got your back, 24/7.

Need help? We’re on it. Prismm’s support team is ready around the clock with expert advice and tailored solutions. Whether it’s a quick email or live chat, we’ll resolve your issues faster than you can say “spatial design.”

Save the planet and your budget.

Cut down on waste and reduce on-site visits with Prismm. Automate tedious tasks, meet your customers in the cloud, and create immersive virtual experiences that are as kind to the environment as they are to your bottom line.

Female waitress setting tables

Designed by experts, built for you.

A decade of industry know-how goes into every feature of Prismm. From small setups to massive events, the Prismm platform can scale with your business, no matter the size, scope, or space.

Trusted by over 5,000 marquee brands around the globe.

Check out our top review ratings.

Increase operational efficiency and delight clients.

“

Prismm gives me the flexibility to design every detail perfectly, like experimenting with different variations and colors of linens, chairs, or tables in my layouts. It’s a designer's dream, allowing my creativity to truly flourish.

Summer Newman and Stephanie Ko, Co-Owners of Summer Newman Events

“

The Prismm platform (formerly Allseated) is an invaluable tool for our floor plan process. Our customers are impressed with the ease of use and how seamless the communication is between client and planner.

Mazzone Hospitality

“

The Prismm platform (formerly Allseated) has made planning events so much easier! I cannot imagine going back to PDF files nor can I imagine what it was like before we were able to collaborate in real time with our clients. We adore the 3D tools and seeing our floor plans come to life is a game changer for our clients.

Warren Dietel
Owner & President, Puff N Stuff Catering & Events

“

Prismm's accuracy sets it apart from the competition. While others might miss critical details like object placement or structural elements, Prismm ensures our layouts are precise and true to scale, saving time on day-of setup.