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Which are the different types of boundry and other options of hatch

Surface Boundaries in AutoCAD


This video will learn about the different types of boundaries and other options of Hatch in AutoCAD.

Now, suppose if we have two objects, an open object with an open Boundary, and the other is a closed object with a close Boundary.
Now, suppose if we have two objects, one is an open object with an open Boundary, and the other is a closed object with a close Boundary.
So when we have a close object, we pick points, choose our pattern, click inside the thing, and our design appears inside the object. But when we have the open object, we cannot follow this method; we will get an error.

So in the case of an open object, we first need to select that object and then apply the selected pattern—the pattern drawn accurately.

We can also apply different types of hatch together in an object and see them together by managing the Hatch Transparency.

We can also set our pattern's origin by using the 'Set Origin' option from properties in the command menu. It will start the pattern from the point we select as the origin.

We can also copy the hatch properties from one object to another by using the Match properties option.

We need to activate this property and click on the pattern which we want to copy and then click inside the object where we want that pattern to appear.


An AutoCAD hatch is used to fill an enclosed area with a pattern. Hatching can be used to represent shading, texture, or other surface variations in drawings.

There are two types of hatches:

1) Patterned hatch

2) Gradient hatch.

  • Hatch Patterns are created by specifying the boundary of the area to be hatched and then specifying a pattern to use for filling that area. The boundary can be drawn with any line style, thickness, and color. The pattern may consist of any combination of straight lines, arcs, or polylines.
  • Gradient Hatches work by changing the color gradually from one point on the boundary to another point on the boundary while maintaining a constant thickness along that entire segment of the boundary.

  • There are a few ways to find the area of an AutoCAD drawing. The first way is to select the desired object and use the Area command. This command will calculate the area of any selected objects.
  • Another way is to use the Properties palette. This will give you an accurate area measurement for any selected object or group of objects. The third way is to use a formula in order to calculate the area of an AutoCAD drawing. The formula for calculating this would be Length * Width, which would be written as L*W in your AutoCAD program.

There are four types of gradients: linear, radial, conical, and angular:

  • Linear gradients move from one color to another in a straight line. Radial gradients start at a single point and move outward in every direction. Conical gradients start at a single point and move outward in a circular motion. Angular gradients start at a single point and move outwards in an angle-like motion.

Hatches are a great way to create a sense of community and promote collaboration. They also provide an opportunity for people to be creative and express themselves. Hatches can be used as a group project where each member contributes something different. This is perfect for students or coworkers who need to work together on a project but don't know each other well yet.

Hatch patterns are a type of linear drawing that can be used to create textures and patterns. The most common types of hatch patterns are cross-hatching, pointillism, and stippling.

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