
PlusSpec
Building design and building information modeling (BIM) software
CAD software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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$72.50 per month
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What is PlusSpec
PlusSpec is a building design and documentation add-on for SketchUp that helps users generate construction drawings, schedules, and specification-style outputs from a 3D model. It targets residential designers, builders, and small architectural practices that use SketchUp as their primary modeling environment and need faster production of plans and quantities. The product focuses on component-based modeling conventions and automated reporting to support estimating and documentation workflows alongside SketchUp-based CAD/BIM processes.
Extends SketchUp into documentation
PlusSpec adds drawing and reporting functions that are not native to general-purpose 3D modeling workflows. It supports producing plan sets and related documentation outputs from a SketchUp model, reducing reliance on separate drafting steps. This can be useful for teams that standardize on SketchUp but need more structured deliverables for permitting and construction.
Quantity and schedule outputs
The tool is oriented around extracting quantities and generating schedules from modeled elements. This supports early estimating and material takeoff workflows when the model is built with consistent components and attributes. For smaller firms, this can provide a lighter-weight alternative to adopting a full enterprise BIM authoring platform for basic takeoff and documentation needs.
Fits SketchUp-centric workflows
Because it operates as an add-on, PlusSpec aligns with teams already trained on SketchUp and its extension ecosystem. It can reduce context switching compared with moving models into a separate authoring tool for documentation. This approach can be practical for residential and light commercial projects where SketchUp is already the primary design environment.
Dependent on SketchUp platform
PlusSpec requires SketchUp and inherits constraints of the host environment, including how objects are modeled and classified. Organizations that standardize on other BIM authoring tools may not be able to adopt it without changing core workflows. Interoperability and downstream coordination capabilities typically depend on SketchUp export formats and the quality of the underlying model structure.
Not a full BIM authoring suite
Compared with dedicated BIM platforms, PlusSpec generally relies on user discipline and conventions rather than enforcing comprehensive parametric building systems. Advanced multi-discipline coordination, model checking, and large-project collaboration features are typically outside the scope of a SketchUp add-on. Teams with complex MEP/structural coordination requirements may still need additional tools.
Output quality depends on modeling
Automated schedules and documentation are only as reliable as the consistency of components, layers/tags, and attributes used in the model. If teams do not follow a standardized modeling method, quantities and drawings can require manual correction. This can increase setup and governance effort for firms trying to scale usage across multiple projects and users.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| PlusSpec Annual | $72.50 per month ($870 billed annually) | Inbuilt tutorials, full support, free updates & software maintenance during subscription, free webinars, access to RubySketch 3D library, materials library, Free 7-day trial. Prices in USD. |
| Freedom Plan | $110 per month (billed month-to-month) | Same included benefits (inbuilt tutorials, full support, free updates & maintenance, webinars, RubySketch 3D library access, materials library), month-to-month flexibility, Free 7-day trial. Prices in USD. |
Seller details
PlusSpec Pty Ltd
Gold Coast, Queensland, Australia
2012
Private
https://www.plusspec.com/
https://x.com/plusspec
https://www.linkedin.com/company/plusspec