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What is a witness line?
A witness line or mark is simply a method to line up pieces. A line across two boards to align them properly for a biscuit or dowel would be one type of witness line. Creating unique marks on joints on disassembly, so it can be assembled correctly is another kind of witness line.6 oct. 2017
What is a dimension witness line?
When you create a dimension, the witness lines are created based on the dimension placement location and dimension references. These witness lines do not overlap with the reference geometry. … You can manually drag witness lines for which automatic clipping is enabled so that they overlap with the reference geometry.
How do you add a witness line in Revit?
1. Select the dimension.
2. Click Modify | Dimensions tab Witness Lines panel (Edit Witness Lines).
3. Click the element for which you want to add a new witness line, and then click in the drawing area.
4. When you are finished, press Esc .
How do I change a witness line in Revit?
1. Select an element.
2. Do one of the following: Drag a control for the witness line (the blue dots shown in the image) to a different reference. Right-click the witness line control, and click Move Witness Line. You can then move the witness line to a new reference.
How do I get rid of witness lines?
Witness lines cannot be polished out. The problem is caused by a difference in the refractive index at the interface of each suscessive layer. They can be masked by use of a high quality scratch filling wax/polish, but that is temporary. The other option is to recoat.2 mai 2011
What is a witness lines injection molding?
Witness marks are dimples, burrs, raised ridges or other surface texture imperfections that may be found at one or more places on an injection molded part.
What are witness lines used for?
Witness Lines During Molding Whether along a parting line, or where a core pin seals off against a slide or other mold feature, injection molded material under pressure will be imprinted with the witness mark of two pieces of steel meeting one another.27 nov. 2019
How do I remove a witness line in Revit?
1. Select a permanent dimension.
2. Right-click the blue control in the middle of a witness line, and click Delete Witness Line.
How do you activate dimensions in Revit?
1. Select multiple elements in the drawing area.
2. On the Options Bar, click Activate Dimensions. Note: System performance can significantly increase when the temporary dimensions and constraints are not displayed.
How do you make a model text smaller in Revit?
Select a text element, and click Edit Type to view the Text Size parameter. The size listed here is the printed size for the text. To change the size of text placed with the Text tool, create a duplicate family, and make the necessary change to the Text Size parameter.8 mar. 2021
How do you do a detail line in Revit?
Detail lines are drawn in the view’s sketch plane. In MEP views, detail lines are sketched as full-toned lines. Click Annotate tab Detail panel (Detail Line). Sketch lines as appropriate.8 mar. 2021
How do you stop a short shot?
What is sink mark in injection molding?
Description: Sink marks are small craters or depressions that develop in thicker areas of the injection molded prototype when shrinkage occurs in the inner portions of the finished product. The effect is somewhat similar to sinkholes in topography, but caused by shrinkage rather than erosion.12 jui. 2015
What is slush casting?
Slush casting is a variant of permanent molding casting to create a hollow casting or hollow cast. In the process the material is poured into the mold and allowed to cool until a shell of material forms in the mold. The remaining liquid is then poured out to leave a hollow shell.
How do you remove dimension text in Revit?
1. In the drawing area, select the dimension to edit.
2. Click the dimension value or the Equality Text label.
3. In the Dimension Text dialog, for Dimension Value, select Replace With Text.
4. In the text box, enter the text to display.