Step by step tuto update to 2.92

documentation/Step-by-step-Tutorial.md

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+This is a step-by-step tutorial on generating a toolpath with Blender CAM. For detailed description of panel options go [here](Blendercam-Panel-Descriptions).
+
+
+
+## Change render engine
+First of all, change render engine to CAM to use the blender cam tool.
+
+![Renderer selection](images/cam_render.png)
+
+
+## Change units in Blender
+
+Change units to metric or imperial in Scene properties.
+![Renderer selection](images/milim.png):
+
+
+## Setup machine parameters
+
+Setup machine parameters (postprocessor, maximum feed rate, work area, etc.) in 'CAM Machine' options.
+
+![Machine setup](images/setup_machine.png)
+
+## Add a new operation
+
+Add new operation in the render properties.
+![New operation](images/newop.png)
+
+Choose Parallel (or Outline Fill, Circles, Spiral, Block, Cross) in the Strategy dialog. Waterline option works best when [OpenCAMLib](Using-BlenderCAM-with-OpenCAMLib) is installed and other operations require curve data source. See how to generate curves from mesh model [here](Machining-technical-parts-using-Profile-and-Pocket-operations).
+
+![Select operation](images/selectOperation.png)
+
+In Object dialog select object being source of geometry for toolpath generation.
+
+## Configure Cam Material and position object
+
+In CAM Material size and position, set radius around model option to reflect the amount of stock material to be machined.
+
+![Before position](images/beforePosition.png)
+
+Manually position object inside work area, or use "Position object" option to position it automatically.
+
+![Click position](images/positionObject.png)
+
+![After position](images/afterPosition.png)
+
+If the box representing material doesn't update, uncheck "Estimate from model" option and then check it again.
+
+## Configuration of the active Operation
+
+Set "Distance between toolpaths" to desired value.
+
+"Distance along toolpaths" option determines accuracy. Lower values result in more accurate toolpath, but make computation slower and increase amount of resulting G-code.
+
+Select "Use exact mode" - it improves accuracy. If you have [OpenCAMLib](Using-BlenderCAM-with-OpenCAMLib) installed, also select "UseOpenCAMLib" - it impoves accuracy and speeds up the computing time. OpenCAMLib also enables high quality algorithm from calculating waterline toolpaths.
+
+CAM Movement:
+
+Enter layer depth (in Step Down dialog), operation depth, start depth and optionally end depth (if "Depth from object" is disabled).
+
+CAM Feedrate:
+
+Set feedrate and spindle rpm. "Plunge speed" and "Plunge angle" allows slowing down feedrate when the cutter is moving down on steep areas.
+
+Cam Cutter:
+
+Set cutter tool number (used in G-code), type, number of flutes and diameter.
+
+## Multiples operations in a chain
+
+To join multiple operations into a single G-code file, use CAM chains dialog.
+
+![New chain](images/newChain.png)
+
+## Calculate Path and Generate Gcode file
+
+Click "Calculate Path" to generate toolpath. If "Auto export" option is selected, G-code file will also be created.
+
+![Calculate path](images/calculatePath.png)
+
+![Calculate path view](images/calculatePath2.png)
+
+## Quick look of the final result
+
+Next click "Simulate operation" to create model representing machined material.
+
+![Simulate Operation](images/simulateOp.png)
+
+
+