L3 L4 - UNITS, DIMENSION STYLE, AND ADDITIONAL DRAW TOOLS

UNITS

_____ controls how lengths and angles are displayed and the insertion scale used for blocks or external references. It does not change the size of objects already drawn. 

UNITLESS

AutoCAD is ______. A value of 100 has no built-in millimeter, centimeter, or inch meaning. The drafter decides what one drawing unit represents. 

LENGTH TYPE

Format of linear measurements, such as Decimal, Engineering, Architectural, Fractional, or Scientific.

LENGTH PRECISION

Number of decimal places displayed for lengths. 

ANGLE TYPE

How angles are displayed, including Decimal Degrees. 

ANGLE PRECISION

Number of decimal places displayed for angles.

INSERTION SCALE

Unit used when inserting blocks or external references. 

CLOCKWISE

Changes the positive direction of angular measurement.

SAMPLE OUTPUT

Preview of the chosen settings.

DECIMAL

Recommended 2D settings for Length

0.00

Recommended 2D settings for Precision

DECIMAL DEGREES

Recommended 2D settings for Angle

MILLIMETERS

Recommended 2D settings for Scale

CONSISTENT UNITS

______ ensure correct interpretation of dimensions, proper block insertion, and consistent engineering drawings. 

DIM

_____ adds dimension objects to drawings.

START DIM/DIMLINEAR, SELECT POINTS OR GEOMETRY, PLACE THE DIMENSION LINE

A basic workflow for Dim

DIMSTYLE

____ controls the appearance of dimensions.

DIMENSION STYLE

A __________ provides consistent arrows, text, lines, spacing, units, and precision. 

ANNOTATE, DIMENSIONS PANEL, DIMENSION STYLE OR TYPE DIMSTYLE

Open dimension style manager workflow

OPEN THE MANAGER, NEW, ENTER A STYLE NAME, CHOOSE THE STARTING STYLE, CONTINUE, CONFIGURE SETTINGS, OK, SET CURRENT

Creating a style workflow

LINES

Dimension lines, extension lines, colors, lineweights, baseline spacing, and suppression.

SYMBOLS AND ARROWS

Arrowheads, center marks, and related symbols. 

TEXT

Text style, height, placement, alignment, and offset.

FIT

How text and arrows fit when space is limited; overall scale.

PRIMARY UNITS

Unit format, precision, decimal separator, scale factor, and zero suppression. 

ALTERNATE UNITS

Optional second unit system.

TOLERANCES

Display and precision of dimensional tolerances. 

POLYLINE

Connected line and arc segments behave as one object. 

PL

Keyboard shortcut for Polyline

PL, FIRST POINT, NEXT POINTS, USE A FOR ARC, L FOR LINE, C TO CLOSE

Steps in creating Polyline

SPLINE

Smooth curve passing through or near specified points. 

SPL

Keyboard shortcut for SPLINE

SPL, SPECIFY POINTS, ENTER, METHODS INCLUDE FIT POINTS AND CONTROL VERTICES

Steps in creating SPLine

POLYGON

Regular closed shape with equal sides and angles.

POLYGON, SIDES, CENTER, INSCRIBED/CIRCUMSCRIBED; EDGE MAY BE USED

Steps in creating Polygon

ELLIPSE

Smooth closed curve with major and minor axes. 

USE AXIS, END OR CENTER OPTIONS, IDENTIFY MAJOR/MINOR AXIS ENDPOINTS

Steps in creating Ellipse