A new way to build and view
MCNP® models


by Orthrus Software


Web-based MCNP® Geometry Visualisation

Cyclone Features

Cyclone is a modern, intuitive, web-based software suite aimed at streamlining Monte Carlo workflows, specifically for radiation and criticality problems.  

Cyclone is currently a free beta as an MCNP® model 3D visualisation tool. Simply copy or write your input text into the web-based platform and view the rendered 3D geometry. Key features of the viewer include:  

  • Interactive 3D render of MCNP® geometry 
  • In-built text editor with syntax highlighting
  • An interactive MCNP primer  
  • View cell and material assignments with customisable colours 
  • Custom slicer and cell toggling 
  • Local Save & Load of inputs
  • Export of inputs and rendered 3D images 

Products & Services

Orthrus Software specialises in engineering software tools and machine learning


Cyclone is currently in beta and provides industry leading geometry visualisation for MCNP® models. It also facilitates file and data management.

Software Engineering

Othrus develop software to solve challenging technical problems. We have significant experience in the nuclear and telecommunications industries.

Machine Learning

Specialists in Machine Learning, including computer vision, the Orthrus team are available on a consultation basis. 

Modernising Your Monte Carlo Workflow

Intuitive visualisation of complex models