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Asked by: Mk
Created at: 2026-01-07 20:20:32
Final Answer:
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# Solution to Problem 3: SolidWorks Part Creation
## Step 1: **Understanding and Sketching the 2D Profile**
**Instructions:**
- Analyze the provided drawing views (top and side).
- Extract main dimensions for the base sketch.
**Key Dimensions:**
- Total length: **350 mm**
- Height: **200 mm (left vertical)**, **100 mm (right vertical)**
- Main thickness: **50 mm** (as seen in the side view)
- Hole positions and sizes: **2 holes φ25 mm, 1 hole φ50 mm**
- Other features: Steps and cutouts as shown.
### Example: Base Sketch Outline (Top View)
1. Start from the bottom left corner.
2. Draw a horizontal line (base) **350 mm** long.
3. Draw vertical lines up at the ends: **200 mm** left, **100 mm** right.
4. Connect with slanted/horizontal lines as per the drawing.
5. Mark holes:
- Two holes: **φ25 mm**, spaced **75 mm** apart, **45 mm** from the left edge.
- One hole: **φ50 mm**, centered **225 mm** from the left edge, **100 mm** from the bottom.
**Graphical Representation:**

*Alt text: Annotated 2D sketch of the part with key dimensions highlighted.*
---
## Step 2: **Extrude and Add Features in SolidWorks**
**Instructions:**
- Extrude the main sketch to **50 mm** thickness.
- Use *Extruded Cut* for holes and steps:
- Cut the two **φ25 mm** holes through all.
- Cut the **φ50 mm** hole through all.
- Add steps and cutouts per the side view using *Extruded Cut* or *Boss/Extrude*.
### Example: Feature Addition
- Create a new sketch on the side face.
- Draw rectangles for the step features:
- **Step 1:** From left, extrude cut **85 mm** width, **40 mm** down, **50 mm** deep.
- **Step 2:** Cut in the middle, **110 mm** width, **110 mm** deep.
- Add fillet (if needed) at the **R45** as indicated.
**Final Answer:**
- You will have a fully defined 3D model matching the given drawing, with all features, holes, and steps accurately placed and dimensioned.
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## **Summary**
1. **Sketch 2D profile** using all main dimensions.
2. **Extrude and cut features** as per side view and add holes.
**Example Complete Part:**
- All dimensions in mm.
- All sketches fully defined and constrained.
- Save as: `Homework 4 Problem 3 Last Name.SLDPRT`
---
**Tip:**
Always double-check your dimensions and relations in SolidWorks to ensure sketches are *fully defined* before extruding.
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