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We've compiled a list of 9 free and paid alternatives to SR 3D Builder. The primary competitors include LEGO Digital Designer, Stud.io. In addition to these, users also draw comparisons between SR 3D Builder and Mecabricks.com, LDCad, LDraw. Also you can look at other similar options here: Photos and Graphics Software.


LDraw
Free

LDraw is an open standard for LEGO CAD programs that allow the user to create virtual LEGO models...

MLCad (Mike's Lego CAD) is a powerful CAD system specifically designed to create building...

Bricksmith
Free Open Source

Bricksmith allows you to create virtual instructions for your Lego creations on your Mac.

LeoCAD
Free Open Source

LeoCAD is a CAD program for creating virtual LEGO models.

Konstruktor provides a 3D environment on your screen in which you build Lego models out of...

SR3DBuilder is an advanced CAD to create and ANIMATE LEGO models on your PC. Features:

SR 3D Builder Platforms

tick-square Windows

SR 3D Builder Video and Screenshots

SR 3D Builder Overview

SR3DBuilder is an advanced CAD to create and ANIMATE LEGO models on your PC.
Features:
Looking at some video worths more than 1000 words
Support for PowerFunction and Mindstorm electric cables
Improved flex part management
Support for Piston - Rod mechanism
Support for Linear Actuators and Shock Absorbers
Animation Console to easily create and animate your technic models
Towball, HINGES and GEARS SUPPORT! Take a look to the Gallery to see what I mean
Connection Solver for quick connecting hinges and rotating parts
Support for RACKS and steering
Support for ANIMATED FLEXYBLE PARTS
Belt Generator with real connections
Now with GROUP management
New exclusive MirrorBuilding features for quick build of symmetric models. MUST TRY !!
Enhanced instructions editor to easily modify the order in which bricks are loaded in your model and/or take photos while building
Complex gear driven hinges support (quadrilaters deformation and steering)
Great fully 3D building envinronment with reflection and transparencies
You will see your model during loading time and can pause for instruction steps
You can modify and save models (lDraw/MLCad .dat compatible format)
Fast selecting/moving/adding/removing you'll never see in MLCad
Copy/Rotation/Deletetion/Color change of single or multiple brick. Undo/Redo functionality
Real connections detection, not always the same near brick positioning
Brick selection by Block (means that solid connected bricks can be selected at once)
Grid positioning to speed up positioning of pieces
Automatic and precise positioning and orientering of most bricks according to connection detection
Automatic detection of rotation axles
You can easily load model from other known programs: it supports the following formats: .dat files, .ldr files, .mpd files (only a few metacommand are currently supported)

SR 3D Builder Features

tick-square 3D modelling

Top SR 3D Builder Alternatives

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SR 3D Builder Categories

Photos and Graphics Software

SR 3D Builder Tags

lego-models lego-bricks designer cad

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