I have one of these Tonteldoos tinderboxes that I made, but I use lantern wicks in mine. I find they burn slower and leave a nice char on the end that catches sparks easily. The Tonteldoos is simple to make and works well.
I also always keep a solo flat 1"x6" lantern wick in my EDC kit and have charred one end of it. I like it because it rolls up to take up little space, it's lightweight and it catches sparks well.
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“You’re so hard on yourself. Take a moment. Sit back. Marvel at your life: at the grief that softened you, at the heartache that widened you, at the suffering that strengthened you. Despite everything, you still grow. Be proud of this.”