Autocad Coursework


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Transcript of Autocad Coursework

Coursework Exercise 3

Module 10321: Design 1

AutoCADExercise 3 3D exploration

Exercise 3 is to construct a single story beach house in 3D as shown above. The commands required to complete this task are given in these guidance notes.

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MJC: Oct 2012

Coursework Exercise 3 Specification for the structure


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Coursework Exercise 3FLOOR PLAN Walls are 300 mm and 150 mm.

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Coursework Exercise 3Wall Openings

One reqd. DOORS

Five Reqd.

Four Reqd.

One reqd.

Two Reqd.

Four Reqd.


No.Off 2 2 2

Width 2000 2000 1000 Page 4 of 14

Height 1500 1000 1000

Cill Height 500 1500 1500

MJC: Oct 2012

Coursework Exercise 3STAIRS

ROOF The structure will have a flat roof 300 mm thick. Railings / Parapet The base will be edged with railings made from 30 mm tubular steel 1000 mm high with a maximum spacing of 120 mm. A handrail shall be provided made from 50 mm tubular steel. The roof shall be edged with a parapet 1000 mm high and 300 mm thick.

FURNITURE / EQUIPMENT Typical furnishings and equipment should be shown.

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Coursework Exercise 3Drawing guidanceArrays Arrays are used to copy a single entity and create a pattern of identical entities. They can be used in 2D and 3D.

Rectangular Array

Path Array

Polar array

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Coursework Exercise 3Viewcube

Clicking on the Viewcube reorientates the drawing

UCS (User Co-ordinate System) Entities can only be drawn in the XY Plane. To draw things in 3D therefore requires the XY-Plane to reoriented to desired position, The UCS options, Top, Bottom etc. Correspond to the faces of the Viewcube.

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MJC: Oct 2012

Coursework Exercise 3

3D Extrusions In exercise 3 there will be three types of extrusion required.

Extrusion of a solid requires that the shape should be a Polyline, i.e. the outline is one continuous line. A rectangle or circle can be extruded because these are already Polylines.

An outline made up of a number of lines or arcs can be converted into a Polyline (see PEDIT)

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Coursework Exercise 3

To convert to a Polyline select one entity of the group at the prompt, not a Polyline do you want to turn it into one? choose Y(es) Then type J for join and select the other entities and press return/space bar.

To use the Presspull command a (Polyline) shape is drawn onto the face of a solid and dragged with the mouse to the required distance.

3Point UCS

The other way to move the XY-Plane is to use the 3point UCS option. Select a new origin, Select the positive X-direction Then the positive Y-direction.

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Coursework Exercise 3How to Draw Spiral Steps Exercise 3 will require spiral steps to mount a curved part of the building base slab

Draw a step using two circles and two lines as shown. Trim and convert to a Polyline.

Use the Draw Helix command

Draw a helix located at the corner of the step. Set the height between turns as 10,000 (10m) and the number of turns to 0.1 (36/360)

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Coursework Exercise 3

Extrude the step (150mm)

Use the path array command to create enough steps to reach the top of the base slab.

Switch from 2D Wireframe to Conceptual to see the result shown left.

The rest of the base slab can be extruded.

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Coursework Exercise 3Joining Solids Solids can merged together by using the Solid Union command. There is an equivalent command for subtracting solids when required, as in the ramp section below.

Making a Ramp To make a Ramp use the Wedge command as shown left. NOTE: The slope of the Wedge is the X-Direction so arrange the UCS to suit.

Draw the rectangle to the required size and set the depth by entering the dimensions at the command line.

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MJC: Oct 2012

Coursework Exercise 3It is probably easiest to align the wedge with the edge of the base slab

then move it to the correct position.

Use the Solid, Subtract command to remove the wedge from the base

.. to give the required result.

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Coursework Exercise 3LAYOUT DRAWINGProduce a layout drawing with five viewports showing the following views at a scale of 1:200: West Elevation South Elevation Floor Plan North-West Isometric South-West Isometric

Drawing Submission

Exercise 3 should be submitted, together with Exercise 2, via email to the address below.

We must be able to identify ownership of your drawing from its name so please use the following file naming convention.

first name_lastname_exe3

(file name)

1st Year Civil CAD Exercises 2 & 3 (email subject line)

Your email address and name must be clearly visible on your drawing.

Due to numbers involved we cannot acknowledge receipt of emails.

Submission date is no later than 17:00 on Friday on the date given in your course timetable.Page 14 of 14MJC: Oct 2012