Okay...I'm going to take a stab at this question...but I offer this caveat: the last time I studied astronomy was the 8th grade.

I think you could probably achieve this by having a rotating axis of exactly 90 degress. If I understand these mechanics correctly, this would essentially give a precession of nil, as the north and south poles would constantly align with the same point in space. The planet would still rotate, so you would still have day and night, but the time between the two would be split equally all year round. It might also affect the intensity of the seasons, as well as the wind currents, and ocean tides, so those are things to consider if you go this route.

Alternatively, you could try playing around with the size of the orbital path of the planet you are creating relative to the tilt of the axis.

Hope this helps.

Okay...I'm going to take a stab at this question...but I offer this caveat: the last time I studied astronomy was the 8th grade.

I think you could probably achieve this by having a rotating axis of exactly 90 degress. If I understand these mechanics correctly, this would essentially give a precession which would parallel the planet's orbit, as the north and south poles would constantly align with the same point in space. The planet would still rotate, so you would still have day and night, but the time between the two would be split equally all year round. It might also affect the intensity of the seasons, as well as the wind currents, and ocean tides, so those are things to consider if you go this route.

Alternatively, you could try playing around with the size of the orbital path of the planet you are creating relative to the tilt of the axis.

Hope this helps.