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<< Knife Photoshop Tutorial |
Knife Photoshop Tutorial
By Xi Lin
This is tutorial gives you a basic way to create a blade and constructs a crude handle. There are better ways to do it in photoshop that do require a little more advanced skills. However this tutorial should be perfect for those starting off and great practice with gradients.
Step 1: The Blade
To start this relatively easy tutorial off, open a new document with the following specs.
Next, fill the background with black then set your foreground color to white.
The next smart move would be to create a new layer.
Select the pen tool and try to mimic the pattern below. Or you can save this image to your computer, lay it under your layer and trace this.
Doesn't look like much does it? Switch to the convert point tool and drag out the conversion points to smooth it out.
Now it's shaping into a nice knife. Next right click on the layer that you drew the blade on and click on rasterize layer.
This is a decent blade already, but let's add some more details to the blade. Select the circular marquee and make a fixed size of 25x25 and delete a little part of it like the picture below.
Then make another circular marquee of 20x20 and delete 2 little parts like below picture.
Finally, go back to the 25x25 circular marquee and delete by that. Now your blade should look like the image below.
And there you go, you've made the blade. Now it's time to make it more realistic.
Step 2: The Horrid Channels
Not really horrid, but here it goes. Press CTRL and at the same time click on the layer that your blade is on.
Then click on the channels tab right next to the layer tab and create a new channel.
Fill the selection with white but don't deselect yet.
Create another channel, only this time goto Select >> Modify >> Contract and input a value of 3.
Now don't deselect and create a new channel. This time use the pen tool and create a curvy line like below.
Right click your path and click on make selection. When a window pops up, click on intersect with selection.
Now fill the selection with white and go back to the layers tab.
Now turn off your blade layer and create a new blank layer.
Step 3: Gradients
Go back to the channel list, and CTRL+click on the channel called Alpha 1. Now go back to the layers tab and use a gradient to give it a metallic sense.
Now do the same for alpha 2, only on a new layer. This time, switch the gradients.
Now for the last alpha. Create a new layer, switch over to channels and CTRL+click on alpha 3.
Switch back to layers and click on gradients. Switch the foreground to black and switch the gradient option to foreground fade to transparent.
Drag the gradient until you can get a image like the one below.
Now you've got a neat blade like this.
At this point, you can merge all this layers and you've got yourself a nice knife blade.
If you think your knife is too fake or plasticy...you have two choices. Play around with the curves by going to Image >> Adjustments >> Curves or by adjusting the brightness and contract. There are no specific values I can give you because our gradients vary.
Step 4: The Handle
I originally wasn't going to do this...but what the hell.
Goto Image >> Canvas Size and change it to 700x600. Move the blade to the upper right hand corner, create a new layer above it and select the pen tool. Draw a outline of the handle you'd like or trace mine below.
Use the point convert tool to round up the edges and rasterize that layer.
Now if your handle is black like mine, change your background color to something else. I chose a light gray color.
Go back to your handle...and since mine is black, I need to use a darker shade of grey. Make sure you lock the pixels and fill in your handle with the darker grey but not yet black. I used the color #151515.
Create a new layer. CTRL+click on your handle layer then stroke it inside 3 pixels.
Next, create a new layer. CTRL+click on your handle layer yet again. This time...move the selection to a position like below.
Now press CTRL+SHIFT+I and the selection will be inverted. Deselect the area that's along the blade. So now your selection looks like:
Use a blurred 100 brush and paint with the color #434343 near the left edge of the selection so only a little of the lightness shows.
So now your final image should look like the below image with the crude handle.
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