what is the difference between the 3921 and 3922?

These two units are almost identical. The only differences are that the 3921 includes a flexible work light and a blade storage compartment on the side, while 3922 features a special side panel that folds open for easy clean up and blade changes. Also, the 3921 uses the two-direction adapter system for holding blades (better for pinned blades), while the 3922 uses a standard blade holding system (better for pinless blades).

Did anyone find out if a miter gauge or some type of guard can be used to make straight cuts?

If your material to be cut allows enough room on the table portion to attach a straight edge with clamps, it will work just fine. Make sure that your straight edge is aligned with the saw blade so you don't end up breaking blades. Lastly, the thicker the material, use blades that have fewer teeth per inch or TPI. I am using a 7 TPI blade to cut anything over 1/2 inch, so far, it is working but slow cutting.

I am new to scroll saws so have to ask. Is it worth the $40 difference in price for the 3921 over the 3920 and why.

I can't speak for the 3921, but the 3920 is okay at best, it's actually nice if you use pinned end blades. However if you plan on using pinnless blades I would suggest a diffirent saw. Hope this helps

Have a new 3922 scroll saw. Upper and lower pinless blade holders wont pinch together to hold the blades. Wen are you going to back up your saw ?

You have to make sure they are the correct length and it does take some work getting them in properly. It too two people to load mine.

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Description

🪚 Cut sharp, work smart, and own every detail.

MASTER EVERY ANGLE - Spacious 16x10-inch table bevels up to 45°, empowering you to craft complex angled cuts with professional finesse.
EFFORTLESS BLADE SWAPS - Unique side panel and thumb screw adapter enable quick, tool-free blade changes—stay in the creative flow without interruption.
BUILT TO LAST PERFORM - Heavy-duty cast iron base minimizes vibration for smooth, stable operation—because your craft deserves the best foundation.
PRECISION AT YOUR FINGERTIPS - Variable speed control from 550 to 1600 strokes per minute lets you tailor every cut with unmatched accuracy.
CLEAN WORKSPACE CLEAR VISION - Integrated air pump and 1.5-inch dust port keep your work area spotless, so you never lose sight of your masterpiece.

The WEN 3922 is a robust 16-inch variable speed scroll saw designed for precision woodworking. Featuring a 550-1600 SPM speed range, a 16x10-inch beveling table up to 45°, and a 2-inch thick wood cutting capacity, it combines durability with user-friendly innovations like tool-free blade changes and an integrated dust management system. Perfect for professionals and hobbyists aiming to elevate their craft with clean, intricate cuts.

Specifications

Manufacturer	WEN
Part Number	3922
Product Dimensions	64.77 x 38.86 x 33.02 cm; 11.28 kg
Batteries	1 Lithium Ion batteries required.
Item model number	3922
Colour	Black,orange
Style	With Folding Side Panel
Pattern	Scroll Saw
Power Source	Corded Electric
Voltage	15 Volts
Wattage	225 watts
Item Package Quantity	1
Handle material	Plastic
Blade length	16 Inches
Special Features	Brushless
Included Components	Thumb screw blade adapter for tool-free blade changes, a cast iron base, an air pump, a dust port, a foot lock clamp, and three 5-inch blades
Batteries Required?	No
Item Weight	11.3 kg

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